All tools
Percentage calculator
Work out X% of a number, what percent one number is of another, percentage change, VAT or a discount, and the value before a change.
X% of Y
20
25% of 80 is 20
X is what percent of Y
25%
20 is 25% of 80
Percentage change
25%
From 80 to 100 is an increase of 25%
Difference: +20
Add or subtract a percentage
97.6
80 plus 22% is 97.6
22% of 80 is 17.6
Original value before a change
80
Before a 22% increase, 97.6 was 80
The increase was 17.6