Percentage Calculator
Calculate a percentage of a number, find what percentage one value is of another, and calculate percentage increase or decrease.
What is X% of Y?
Result
30
Percentage ÷ 100 × number
X is what % of Y?
Result
15%
Part ÷ whole × 100
Percentage increase or decrease
Percentage change
+25%
Increase
Percentage formulas
- Percentage of a number = (percentage ÷ 100) × number
- What percentage = (part ÷ whole) × 100
- Percentage change = ((new value − original value) ÷ |original value|) × 100
Check the inputs and independently verify values used for important financial or business decisions.