Percentage Calculator
Calculate percentages, percentage increases/decreases, and compare values instantly. Free online percentage calculator with multiple calculation types and detailed results.
Example: 25% of 200 = ?
Enter values above to see the calculation result
Common Use Cases
- Calculate discounts and sale prices
- Determine tax amounts and tips
- Analyze business growth rates
- Compare test scores and grades
Master Percentage Calculations
Percentages are fundamental in mathematics, finance, business, and everyday life. Our comprehensive percentage calculator handles all common percentage calculations with detailed explanations and real-time results.
Calculation Types Explained
- What is X% of Y? Find a percentage of a number (e.g., 25% of 200 = 50)
- Percentage Increase/Decrease: Calculate the percentage change between two values
- What percentage is X of Y? Find what percentage one number is of another
- Find Original Value: Reverse calculate to find the original number
- Compare Two Numbers: Calculate percentage difference and relative comparisons
Real-World Applications
- Shopping & Finance: Calculate discounts, tax, tips, and interest rates
- Business Analysis: Measure growth rates, profit margins, and performance metrics
- Education: Grade calculations, test score analysis, and academic progress
- Health & Fitness: Body fat percentage, workout progress, and nutrition tracking
- Statistics: Data analysis, survey results, and research findings
Percentage Formulas
- Basic Percentage: (Part ÷ Whole) × 100 = Percentage
- Percentage of Number: (Percentage ÷ 100) × Number = Result
- Percentage Change: ((New Value - Old Value) ÷ Old Value) × 100
- Percentage Difference: (|Value1 - Value2| ÷ Average) × 100
Tips for Accurate Calculations
- Double-check your input values for accuracy
- Understand the difference between percentage change and percentage difference
- Use the breakdown feature to verify your calculations
- Round results appropriately for your specific use case
Pro Tip
Use the real-time calculation feature to see results as you type. The breakdown section shows the formula and steps used, helping you understand the calculation process.