Enter starting value and final value to find percentage increase. Multiply by 100 to get percent increase. We find that this number is 25 of some original number.
To determine the inverse percentage or reverse percentage multiply the number by 100 then divide by 100 minus the subtracted percentage as shown in the formula.
Reverse percentage can be calculated by dividing a known amount by 1 minus the discount rate or 1 plus the tax rate. Either addsubtract the percentage given in the problem from 100 to determine what percentage we have Find 1 by dividing by percentage found in previous step Find 100 original amount by multiplying your answer in step 2 by 100. Subtract the discount from 100 to get the percentage of the original price. Reverse Percentage Calculations Now that you are familiar with percentage increase and decrease you should try to do some reverse percentage calculations which also use the calculator methods above.