Percentage Calculator
Percentage Calculator | All Percentage Operations
Calculate percentages, increases, decreases, differences, and more. Multiple calculation modes.
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How to use this tool
- Choose calculation type (percentage of, increase/decrease, difference, etc.)
- Enter the relevant numbers
- View instant results
- Switch between different percentage operations as needed
- Use for discounts, taxes, tips, growth rates, or data analysis
About Percentage Calculator
The percentage calculator handles all common percentage operations: calculate what percentage one number is of another, increase/decrease a number by a percentage, find percentage difference between values, and convert fractions to percentages.
Percentage calculations are fundamental in finance (interest, discounts, taxes), business (growth rates, margins, commissions), education (grades, statistics), and everyday life (tips, sales, comparisons).
All calculations use standard percentage formulas with high precision. Results are instant and local, no data transmission, perfect for financial calculations or confidential business metrics.
Frequently asked questions
Percentage change is relative: 10% to 20% is a 100% increase. Percentage point change is absolute: 10% to 20% is a 10 percentage point increase. The calculator shows both when relevant.
Use "decrease by percentage" mode. Enter original price and discount percentage (e.g., 30%) to get the final price. Or use "percentage of" to find the discount amount.
Yes. Use "increase by percentage" mode. Enter bill amount and tip/tax percentage to get the total including tip/tax. Or calculate just the tip amount using "percentage of" mode.