Percentage Calculator

Calculate Percentages, increases, decreases, and changes between values

X% of Y

X is what % of Y

X increased by Y%

X decreased by Y%

Percentage change from X to Y

X% of Y Results

X% of Y

X is what % of Y Results

X is what % of Y

Increase by % Y Results

Increase by % Y

Decrease by % Y Results

Decrease by % Y

Percentage change from X to Y Results

% change from X to Y

Percentage Calculator

Our percentage calculator application provides powerful tools for all your percentage-related calculations. Whether you need to find percentages of numbers, calculate increases or decreases, or determine percentage changes between values, this tool delivers results instantly.

Key Benefits of Using Our Percentage Calculator

Financial Planning: Calculate discounts, interest rates, and investment growth
Academic Use: Perfect for students learning percentage concepts
Business Applications: Determine profit margins, sales tax, and price changes
Statistical Analysis: Compute growth rates and comparative metrics
Everyday Calculations: Tips, discounts, and measurement conversions

Core Features

1. X% of Y Calculator

Calculate what X percent of a given number Y is. This fundamental percentage operation is useful in countless scenarios.

Formula: (X ÷ 100) × Y

Common Use Cases:

Calculating sales tax on purchases
Determining tips for services
Computing commission amounts
Finding portion sizes in recipes

Example: What is 15% of 200?
Solution: (15 ÷ 100) × 200 = 30

2. X is What % of Y Calculator

Determine what percentage one number (X) is of another number (Y). Essential for comparative analysis.

Formula: (X ÷ Y) × 100

Practical Applications:

Calculating test scores and grades
Determining market share percentages
Analyzing survey response rates
Computing completion percentages

Example: 25 is what percent of 200?
Solution: (25 ÷ 200) × 100 = 12.5%

3. X Increased by Y% Calculator

Calculate the result when a number (X) is increased by a certain percentage (Y%). Useful for markup calculations.

Formula: X × (1 + (Y ÷ 100))

When to Use:

Calculating price markups
Determining salary increases
Projecting growth amounts
Computing interest-added amounts

Example: 200 increased by 15% is?
Solution: 200 × (1 + (15 ÷ 100)) = 230

4. X Decreased by Y% Calculator

Determine the result when a number (X) is decreased by a certain percentage (Y%). Essential for discount calculations.

Formula: X × (1 - (Y ÷ 100))

Typical Scenarios:

Calculating sale prices with discounts
Determining depreciation amounts
Computing weight loss percentages
Analyzing budget cuts

Example: 200 decreased by 15% is?
Solution: 200 × (1 - (15 ÷ 100)) = 170

5. Percentage Change from X to Y

Calculate the percentage increase or decrease between two values (X and Y). Vital for growth/decline analysis.

Formula: ((Y - X) ÷ |X|) × 100

Common Applications:

Analyzing sales growth year-over-year
Calculating investment returns
Determining population change rates
Measuring performance improvements

Example: What is the percentage change from 200 to 250?
Solution: ((250 - 200) ÷ 200) × 100 = 25% increase

Conclusion

Our percentage calculator is an indispensable tool for students, professionals, and anyone who works with numbers regularly. Whether you're analyzing financial data, calculating discounts, measuring growth, or learning mathematical concepts, this tool provides instant, accurate results with an intuitive interface.