how do you calculate a percentage from two numbers?
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If you want to know what percent A is of B, you simple divide A by B, then take that number and move the decimal place two spaces to the right. That's your percentage! To use the calculator, enter two numbers to calculate the percentage the first is of the second by clicking Calculate Percentage.
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Calculating the percent difference requires you to take the difference of values, divide it by the average of the two values and then multiply that number times 100. Subtract the two numbers from each other and place the value of the difference in the position of the numerator.
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['Example: Convert 0.125 to percent. Multiply 0.125 by 100: ... ', 'Example: Convert 0.35 to percent. Move the decimal point two places to the right: 0.35 → 3.5 → 35. ... ', 'Example: Convert 0.985 to percent. ... ', 'Example: Convert 1.2 to percent.']
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['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%', 'Do the math: 12/60 = 0.20.', 'Important! ... ', 'Converting 0.20 to a percent: 0.20 * 100 = 20%', 'So 20% of 60 is 12.']
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Calculating the Percent In finding the percent of a number, divide the percentage by the quantity then multiply the product by 100. Put a percent symbol (%) after the final product. If the percentage is greater than the quantity, this means that the percent is greater than 100%.
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To calculate the percentage decrease between two numbers, you'll use an identical calculation to the percentage increase. You subtract the second number from the first, then divide it by the first number. The only difference is that the first number will be smaller than the second number.
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Percentage Change Formula The percentage between the two values is simply calculated by taking the difference between two numbers and dividing it with the original number.
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First: work out the difference (decrease) between the two numbers you are comparing. Then: divide the decrease by the original number and multiply the answer by 100. If your answer is a negative number then this is a percentage increase.
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Take the sum of all of the numbers divided by the number of numbers. So if you have the numbers 1,2,3,4, and 5 you would calculate the sum to be 15, then divide by 5 (the number of numbers) to get 3. From there you want to calculate percentage.
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If your calculator has a percentage button, press it to determine the percentage. If your calculator does not have such a button, multiply your previous answer by 100 to determine the percentage: 0.25 x 100 = 25%.
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["You divide the number you you want to get the percentage for by the number you're getting the percentage of, then multiply it by 100 and do a Math. ... ", 'var wholePercent = Math.floor(3/9*100);', 'To turn it into a function:', 'function getWholePercent(percentFor,percentOf) ... ', 'call it like this:', 'var wholePercent=getWholePercent(3,9);']
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First Step: find the difference between two percentages, in this case, it's 15% - 5% = 10%. Second: Take 10 percent, and divide by 2nd percentage: 10/5 = 2. Now multiply this number by 100: 2*100 = 200%. You're done!
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About This Article. To calculate percentages, start by writing the number you want to turn into a percentage over the total value so you end up with a fraction. Then, turn the fraction into a decimal by dividing the top number by the bottom number. Finally, multiply the decimal by 100 to find the percentage.
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First: work out the difference (increase) between the two numbers you are comparing. Then: divide the increase by the original number and multiply the answer by 100. % increase = Increase ÷ Original Number × 100. If your answer is a negative number then this is a percentage decrease.
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['Percentage amount = Rate x Base.', 'Rate = Percentage amount ÷ Base.', 'Base = Percentage amount ÷ Rate.', 'Percent increase/decrease = Difference between two figures ÷ Previous figure.']
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To determine X is what percent of Y , divide X by Y and multiply the result by 100 to get the percentage.
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To calculate the percentage increase, work out the difference increase between the original number and the new number. Next, divide the increase by the original number and multiply your answer by 100.