FORMWISE GUIDE
Percentage Calculations Explained With Simple Examples
Percentages are used for discounts, price changes, marks, business calculations and many everyday tasks.
Percentage of a number
To find R% of X, calculate X × R ÷ 100.
Percentage change
A common percentage-change formula is (new − old) ÷ old × 100. State clearly whether the result represents an increase or decrease.
Use the calculator
The FormWise Percentage Calculator handles common percentage questions without manual arithmetic.