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how to find the reverse percentage. So to find the original number we can divide 92 by 115. Divide the percentage added to the original by 100.
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Reverse percentage can be calculated by dividing a known amount by 1 minus the discount rate or 1 plus the tax rate. Divide the percentage added to the original by 100. Convert Percentage to Decimal.
This process is the reverse of what you did earlier.
Say we have a number that is some percent of. In the above snapshot the mathematical formula used to get the old amount in the excel. Calculating reverse percentages depends on knowing that before an increase or decrease in price an item is always worth 100 of its value no matter what that value is. If you want to buy a shirt that is 30 off the opposite of this is 70.
