% Free Online Percentage Calculator
Solve percentage problems instantly with our comprehensive percentage calculator. Calculate basic percentages, percentage increases/decreases, percentage differences, and more. Perfect for students, shoppers, business owners, and anyone working with numbers. No math skills required - get accurate results in seconds!
What is % of ?
Formula
(Percentage × Whole Number) ÷ 100 = Result
Example: (25 × 200) ÷ 100 = 50
What is increased by %?
Formula
Original × (1 + (Percentage ÷ 100)) = Result
Example: 200 × (1 + (10 ÷ 100)) = 220
What is the percentage difference between and ?
Formula
|(Number2 - Number1)| ÷ Number1 × 100 = % Difference
Example: |240 - 200| ÷ 200 × 100 = 20%
is what percent of ?
Formula
(Part ÷ Whole) × 100 = Percentage
Example: (50 ÷ 200) × 100 = 25%
Common Percentage Calculations
Why Use Our Percentage Calculator?
Our online percentage calculator helps you solve common percentage problems quickly and accurately.
- No memorizing formulas
- Multiple calculation types
- Instant results
- Real-world examples
- Mobile-friendly
Key Features:
- Four calculation modes
- Formulas displayed
- Common examples
- Negative percentages supported
- Responsive design
How to Calculate Percentages:
- Select type
- Enter numbers
- Click calculate
- See formula
- Try examples
Percentage Calculator FAQ
How do I calculate a percentage of a number?
(X ÷ 100) × Y = Result
Example: (20 ÷ 100) × 150 = 30
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