Percentage Calculator
Solve any percentage problem instantly.
What is X% of Y?
X is what % of Y?
% increase / decrease
About this tool
A complete percentage calculator that solves the three most common percentage problems instantly.
Key Features
- X% of Y
- X is what % of Y
- Percentage increase/decrease
- Instant results
How to Use
- Choose the calculation you need.
- Enter your numbers.
- Click = to see the answer.
Benefits
- Calculate discounts & tips
- Find growth rates
- Solve homework fast
Frequently Asked Questions
Use the third box: (new − old) ÷ old × 100. Positive means increase, negative means decrease.