Percentage Calculator

About Our Percentage Calculator

Our free online percentage calculator helps you solve common percentage problems quickly and accurately. Whether you need to calculate discounts, determine tip amounts, compute tax rates, or analyze growth percentages, this comprehensive tool provides multiple calculation methods in one convenient interface.

Key Features

• Find percentage of a number - Calculate X% of any given number
• Percentage increase/decrease - Determine amounts after percentage changes
• Percentage difference - Compare two numbers and find their percentage difference
• Multiple calculation modes - Switch between different percentage calculations
• Precise decimal handling - Works with decimal percentages for accurate results
• Mobile-friendly interface - Use our percentage calculator on any device

How to Use the Percentage Calculator

Our calculator offers three main calculation modes:

1. Find Percentage of a Number

To calculate what is X% of Y:

1. Select the "Find Percentage" tab
2. Enter the percentage value (X)
3. Enter the base number (Y)
4. Click "Calculate"

2. Percentage Increase/Decrease

To increase or decrease a number by a percentage:

1. Select the "Increase/Decrease" tab
2. Enter the original number
3. Enter the percentage change (positive for increase, negative for decrease)
4. Click "Calculate"

3. Percentage Difference

To find the percentage difference between two numbers:

1. Select the "Percentage Difference" tab
2. Enter the first number
3. Enter the second number
4. Click "Calculate"

Common Uses for Percentage Calculations

People use our percentage tool for various purposes:

• Discount Calculations: Determine sale prices and savings amounts
• Tip Calculations: Compute restaurant tips based on percentages
• Tax Calculations: Calculate sales tax or VAT amounts
• Financial Analysis: Compute interest rates, investment returns, and loan rates
• Academic Grading: Determine test scores and grade percentages
• Business Metrics: Analyze growth rates, profit margins, and performance changes

Why Choose Our Percentage Calculator?

Unlike basic percentage calculators, our tool provides multiple calculation methods in one interface. The tabbed design makes it easy to switch between different percentage problems without losing your data. We handle decimal percentages precisely and provide clear formulas to help you understand the calculations.

Frequently Asked Questions

Q: How do I calculate a percentage of a number?
A: Multiply the number by the percentage (in decimal form). For example, to find 20% of 50: 50 × 0.20 = 10.

Q: How do I add a percentage to a number?
A: Multiply the number by 1 plus the percentage (in decimal form). For example, to add 15% to 100: 100 × 1.15 = 115.

Q: How do I subtract a percentage from a number?
A: Multiply the number by 1 minus the percentage (in decimal form). For example, to subtract 10% from 200: 200 × 0.90 = 180.

Q: What's the difference between percentage difference and percentage change?
A: Percentage change compares a new value to an original value. Percentage difference compares two values without considering which is original.

Q: Is this percentage calculator free to use?
A: Absolutely! Our tool is completely free with no registration required.