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how to reverse percentage math. Step 1 Get the percentage of the original number. Math Worksheets Examples videos and solutions to help GCSE Maths students learn how to solve reverse percentage problems.
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Find the original price This is a reverse percentage problem that can be solved using the method shown in this video. Reverse percentages are used when the percentage and the final number is given and the original number needs to be found. Heres a typical reverse percentage question.
Typical questions include working out the original given a loss or gain.
Step 2 Divide the percentage by 100 to convert it to a decimal. If you want to buy a shirt that is 30 off the opposite of this is 70. For example if a tip 6 percent was added to the bill to make it 115 work out 15 100 015. Either addsubtract the percentage given in the.
