Work out the current price as a percentage of the original price 100. Corbettmaths - This video explains how to complete reverse percentages questions. Add 1 to Decimal.
Divide the percentage added to the original by 100.
AQA GCSE maths revision practice paper 4. For example 16 becomes 016 100 becomes 1. Step 2 Divide the percentage by 100 to convert it to a decimal. The difference between the quantities is computed which is divided by the original quantity.