Percentage Calculator - Calculate Percentages & Percentage Change

Our percentage calculator handles three common percentage calculations: finding a percentage of a number, calculating percentage change, and determining what percentage one number is of another.

Types of Percentage Calculations

• Basic Percentage: Find X% of Y (e.g., 20% of 150 = 30)
• Percentage Change: Calculate increase/decrease between two values
• What Percentage: Find what percentage X is of Y

Common Uses

Percentage calculations are essential for discounts, tips, tax calculations, grade calculations, financial analysis, statistics, and everyday math problems.