1 24 div 80 03. Such calculations are helpful in determining the original price of a sale item purchased or the pretax price of a transaction already done. 80 24 Divide both sides by 80 to get 1.
Step 2 Divide the percentage by 100 to convert it to a decimal.
Divide the percentage added to the original by 100. How to find Reverse Percentages Step 1 Get the percentage of the original number. Subtract the decrease from 100. Turn the percentage into a decimalChange the percentage from Step 1 to decimal by moving two decimal places to.