Percent to Decimal Calculator. The mathematical process in converting a decimal to a percent is as follows: "Percent" means "per 100" or "over 100". Use percent formulas to figure out percentages and unknowns in equations. 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. Khan Academy: The result will always be in decimal form, not percentage form. Percent to Fraction Calculator. "Percent." % is what percent of ? % What is the percentage increase/decrease from to ? In percentage calculator You can input integer (3), decimal (2.4), fraction (5/7) or mixed fraction (2 1/7). Formulas and examples are included. © 2006 -2020CalculatorSoup® 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% ? Percentage Calculator is a free online tool to calculate percentages. Use shift-tab to move to the previous field. All rights reserved. Convert the percentage to a decimal by dividing by 100. Example 1: 23 x 100 = 2300%. Percent to Decimal Calculator. Let's explore the three basic percentage problems. To convert a percent to a decimal see the These examples convert 0.4580; 0.0257; and 0.00458. There are many formulas for percentage problems. Fraction to Percent Calculator, or our Add or subtract a percentage from a number or solve the equations. 1. © 2006 -2020CalculatorSoup® Percentage Change Calculator. Converting a Number with a Decimal to a Percent. From MathWorld -- A Wolfram Web Resource. Example: What is 10% of 150? 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? Multiply 0.5 by 100/100. Cite this content, page or calculator as: Furey, Edward "Decimal to Percent Calculator"; CalculatorSoup, There are nine variations on the three basic problems involving percentages. Convert decimals to percentages with this calculator. Multiply by 100 to convert a number from decimal to percent then add a percent sign %. - Online Calculators. See if you can match your problem to one of the samples below. Convert from percentage to decimals with the 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. 50/100 is 50 over 100 and means 50 per 100. The Exam Marks Percentage Calculator is useful for school and college students to keep track of their overall percentage scores. Important! Example 2: 78 x 100 = 7800%. Use the percentage formula: P% * X = Y. Multiply by 100 to convert a number from decimal to percent then add a percent sign %. X and Y are numbers and P is the percentage: Read on to learn more about how to figure percentages. 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%. Use and key on keyboard to move between input fields in percentage calculator. If you need to convert between fractions and percents see our Press enter to calculate. - Online Calculators. Converting from a decimal to a percentage is done by multiplying the decimal value by 100 and adding %. The percentage increase calculator above computes an increase or decrease of a specific percentage of the input number. Take the guesswork out of percent calculations. Since 100/100 = 1, we are only multiplying by 1 and not changing the value of our number. The problem formats match the input fields in the calculator above. 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? These examples convert the numbers 23 and 158 to percents. The formulas below are all mathematical variations of this formula. Find the change in percentage as an increase or decrease using the