See if you can match your problem to one of the samples below. Convert the problem to an equation using the percentage formula: P% * X = Y; P is 10%, X is 150, so the equation is 10% * 150 = Y; Convert 10% to a decimal by removing the percent sign and dividing by 100: 10/100 = 0.10 Khan Academy: Use percent formulas to figure out percentages and unknowns in equations. 1. 50/100 is 50 over 100 and means 50 per 100. To convert a number with a decimal into percent, multiply it by 100 and add the percent sign. You can think of the most basic as X/Y = P x 100. So, to convert 0.5 to percent we rewrite 0.5 in terms of "per 100" or over 100. It basically involves converting a percent into its decimal equivalent, and either subtracting (decrease) or adding (increase) the decimal equivalent from and to 1, respectively. % Tips: Use tab to move to the next field. Converting 20% to a decimal: 20/100 = 0.20, Substitute 0.20 for 20% in the equation: 25/0.20 = X, Double check your answer with the original question: 25 is 20% of what number? Multiply by 100 to convert a number from decimal to percent then add a percent sign %. 25/0.20 =, Remove the percentage sign and divide by 100, Multiply by 100 and add a percentage sign, The 'what' is Y that we want to solve for, Remember to first convert percentage to decimal, dividing by 100, Solution: Solve for Y using the percentage formula, First convert percentage to a decimal 10/100 = 0.1, The 'what' is P% that we want to solve for, Divide both sides by X to get P% on one side of the equation, Y ÷ X = (P% ? Percent to Decimal Calculator. % What is the percentage increase/decrease from to ? Take the guesswork out of percent calculations. Use shift-tab to move to the previous field. 12/60 = 0.20, and multiplying by 100 to get percentage, 0.20 * 100 =, Convert the problem to an equation using the percentage formula: Y/P% = X, Y is 25, P% is 20, so the equation is 25/20% = X. You need to multiply the result by 100 to get the percentage. X and Y are numbers and P is the percentage: Read on to learn more about how to figure percentages. Example: 0.675 becomes 0.675 x 100 = 67.5%. The result will always be in decimal form, not percentage form. https://www.calculatorsoup.com - Online Calculators. Converting decimals to percents: 0.601; Note: All Khan Academy content is available for free at Automatic percentage equivalent number calculator for % increase and percent decrease … Weisstein, Eric W. Convert decimals to percentages with this calculator. There are nine variations on the three basic problems involving percentages. © 2006 -2020CalculatorSoup® All rights reserved. The Exam Marks Percentage Calculator is useful for school and college students to keep track of their overall percentage scores. There are many formulas for percentage problems. Example 3: 158 x 100 = 15800%. Cite this content, page or calculator as: Furey, Edward "Decimal to Percent Calculator"; CalculatorSoup, Let's explore the three basic percentage problems. Use and key on keyboard to move between input fields in percentage calculator. Cite this content, page or calculator as: Furey, Edward "Percentage Calculator"; CalculatorSoup, In percentage calculator You can input integer (3), decimal (2.4), fraction (5/7) or mixed fraction (2 1/7). Convert from percentage to decimals with the Important! The mathematical process in converting a decimal to a percent is as follows: "Percent" means "per 100" or "over 100". To convert a percent to a decimal see the Converting 0.20 to a percent: 0.20 * 100 = 20%, Double check your answer with the original question: What percent of 60 is 12? Divide by 100 to convert a percent to a decimal and remove the percent sign %. https://www.calculatorsoup.com - Online Calculators. © 2006 -2020CalculatorSoup® Formulas and examples are included. Example: What is 10% of 150? "Percent." Example 2: 78 x 100 = 7800%. Convert the problem to an equation using the percentage formula: P% * X = Y, P is 10%, X is 150, so the equation is 10% * 150 = Y, Convert 10% to a decimal by removing the percent sign and dividing by 100: 10/100 = 0.10, Substitute 0.10 for 10% in the equation: 10% * 150 = Y becomes 0.10 * 150 = Y, Double check your answer with the original question: What is 10% of 150? All rights reserved. Multiply by 100 to convert a number from decimal to percent then add a percent sign %. Decimal to Percent Calculator. Example 1: 23 x 100 = 2300%. Example: 15.6% becomes 15.6 / 100 = 0.156. Converting a Number with a Decimal to a Percent. Solve decimal to percentage conversions with our The problem formats match the input fields in the calculator above. Use the percentage formula: P% * X = Y. Find a percentage or work out the percentage given numbers and percent values. Input a decimal number to convert both the whole number and decimal part of the number to a percent value. Add or subtract a percentage from a number or solve the equations. Converting from a decimal to a percentage is done by multiplying the decimal value by 100 and adding %. Converting from a decimal to a percentage is done by multiplying the decimal value by 100 and adding %. www.khanacademy.org. Since 100/100 = 1, we are only multiplying by 1 and not changing the value of our number. Percent Calculator Percentage Calculator is a free online tool to calculate percentages. Converting from a percent to a decimal is done by removing the percent sign % and dividing the value by 100. The answer are calculated automatically as you type! Convert the percentage to a decimal by dividing by 100. Multiply 0.10 * 150 =, Convert the problem to an equation using the percentage formula: Y/X = P%, X is 60, Y is 12, so the equation is 12/60 = P%. X) ÷ X becomes Y ÷ X = P%, which is the same as P% = Y ÷ X, Solution: Solve for P% using the percentage formula, The 'what' is X that we want to solve for, Divide both sides by P% to get X on one side of the equation, Y ÷ P% = (P% × X) ÷ P% becomes Y ÷ P% = X, which is the same as X = Y ÷ P%, Solution: Solve for X using the percentage formula, (P% × X) ÷ P% = Y ÷ P% becomes X = Y ÷ P%, Multiply both sides by X to get X out of the denominator, Divide both sides by P% so that X is on one side of the equation, Y ÷ P% = (P% * X) ÷ P% becomes Y ÷ P% = X, Multiply both sides by X to get Y on one side of the equation, Convert decimal to percent by multiplying by 100.

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