About Percentage Calculator

Our percentage calculator is a versatile tool that helps you solve various percentage-related problems quickly and accurately. Whether you need to calculate a percentage of a number, determine percentage increase or decrease, find what percent one number is of another, or calculate the percentage difference between two values, this tool has you covered.

Common Percentage Calculations:

1. Percentage of a Number

Example: What is 15% of 200?

Solution: 15% × 200 = 30

2. Percentage Increase/Decrease

Example: A product's price increased from $50 to $65. What is the percentage increase?

Solution: [(65 - 50) ÷ 50] × 100 = 30% increase

3. X is What Percent of Y

Example: 25 is what percent of 200?

Solution: (25 ÷ 200) × 100 = 12.5%

4. Percentage Difference

Example: What is the percentage difference between 80 and 120?

Solution: [(120 - 80) ÷ ((120 + 80)÷2)] × 100 = 40%

Practical Applications:

Finance: Calculate discounts, interest rates, investment returns
Academics: Determine test scores, grade improvements
Business: Analyze sales growth, profit margins
Statistics: Compute changes in data sets
Everyday Life: Tip calculations, tax computations, recipe adjustments

Tip: Use the tabs at the top of the calculator to switch between different percentage calculation types based on your needs.

Percentage Calculator