There are nine variations on the three basic problems involving percentages. 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% ? You can think of the most basic as X/Y = P x 100. Example 3: 158 x 100 = 15800%. All rights reserved. www.khanacademy.org. Let's explore the three basic percentage problems. Percent Calculator X and Y are numbers and P is the percentage: Read on to learn more about how to figure percentages. Since 100/100 = 1, we are only multiplying by 1 and not changing the value of our number. 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%. Input a decimal number to convert both the whole number and decimal part of the number to a percent value. How to calculate percentage of a number. The result will always be in decimal form, not percentage form. Find a percentage or work out the percentage given numbers and percent values. The percentage increase calculator above computes an increase or decrease of a specific percentage of the input number. Example: 0.675 becomes 0.675 x 100 = 67.5%. The answer are calculated automatically as you type! Khan Academy: 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? Cite this content, page or calculator as: Furey, Edward "Percentage Calculator"; CalculatorSoup, Percent to Fraction Calculator. Percentage is a number expressed as a fraction of 100. Converting from a decimal to a percentage is done by multiplying the decimal value by 100 and adding %. 50/100 is 50 over 100 and means 50 per 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. These examples convert the numbers 23 and 158 to percents. What is % of ? Percent to Decimal Calculator. The formulas below are all mathematical variations of this formula. Converting 0.20 to a percent: 0.20 * 100 = 20%, Double check your answer with the original question: What percent of 60 is 12? Weisstein, Eric W. % Tips: Use tab to move to the next field. There are many formulas for percentage problems. 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. Take the guesswork out of percent calculations. 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 1. To convert a percent to a decimal see the Press enter to calculate. "Percent." Percent to Decimal Calculator. If you need to convert between fractions and percents see our The mathematical process in converting a decimal to a percent is as follows: "Percent" means "per 100" or "over 100". Percentage Calculator is a free online tool to calculate percentages. Percentage Change Calculator. Solve decimal to percentage conversions with our Find the change in percentage as an increase or decrease using the Convert the percentage to a decimal by dividing by 100. In percentage calculator You can input integer (3), decimal (2.4), fraction (5/7) or mixed fraction (2 1/7). 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?

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