Percentage Calculator
What is X% of Y, percent change, and X is what % of Y.
1. What is X% of a number?
Example: 20% of 150 = 30
20% of 150 is 30
2. A is what percent of B?
Example: 40 is 80% of 50
40 is 80% of 50
3. Percent increase or decrease
Example: from 80 to 100 is a 25% increase
Change: +20 (+25% increase)
4. Add or subtract a percent
Example: 200 + 15% = 230, 200 − 15% = 170
Plus 15%: 230
Minus 15%: 170