Percentage Calculator

Enter any two values to find the third.

Percentage Calculator in Common Phrases

1. What is X% of Y?

2. X is what % of Y?

3. X is Y% of what?

Percentage Difference Calculator

Percentage Change Calculator

Enter any two values to calculate the third.

Percentage Calculator – Fast & Easy Percent Calculations Online

A percentage calculator is one of the most commonly used tools in math, business, finance, and everyday life. Whether you’re figuring out discounts, profit margins, tax amounts, percentage increase or decrease, or simply solving homework questions, this calculator makes everything fast, accurate, and effortless.

Percentages appear everywhere—from shopping receipts and school grades to financial reports and salary growth. Instead of doing manual calculations or memorizing formulas, you can simply enter any two values, click calculate, and instantly get the third value.


What This Percentage Calculator Can Do

This tool includes multiple types of percentage calculations:

1. Basic Percentage Calculations

  • What is X% of Y?

  • X is what % of Y?

  • X is Y% of what number?

Perfect for discounts, markups, commissions, taxes, and more.

2. Percentage Difference Calculator

Measures the absolute difference between two values as a percentage.
Useful for comparing prices, results, statistics, or performance.

3. Percentage Change Calculator

Finds percentage increase or decrease between two values—ideal for salaries, expenses, investments, and growth tracking.


Why Use This Percentage Calculator?

  • Instant results

  • Very accurate

  • Easy input fields

  • Covers all common real-world scenarios

  • No sign-up or fee required

This tool is designed to be simple for beginners while powerful enough for business and professional calculations.


📘 How Percentages Work – A Simple Explanation

A percentage represents a number out of 100.
Example:
25% = 25 out of 100 = 0.25

Basic formula:

 
Percentage (%) = (Part / Whole) × 100

Reverse formula:

 
Part = (Percentage × Whole) / 100

Finding the whole:

 
Whole = Part ÷ (Percentage / 100)

These formulas are applied in the calculator automatically—no need to calculate anything manually.


📈 Where Percentage Calculations Are Used

  • Discounts & taxes

  • Salary raises

  • Profit margins

  • School grades

  • Loan interest & financial planning

  • Investment comparisons

  • Business analytics

  • Fitness progress tracking

  • Statistical analysis

No matter what scenario you have, the percentage calculator helps you compute the value in seconds.


⭐ Final Thoughts

This percentage calculator is a complete solution for students, professionals, shoppers, and anyone who needs quick percentage answers. With multiple modes and instant results, it’s the fastest and most convenient way to calculate percentages online.

FAQ

Q1: How do I calculate percentage?
Enter any two values (part, whole, or percent), and the calculator finds the missing one.

Q2: What is percentage difference?
It compares two values to show how much they have increased or decreased.

Q3: What is percentage change?
Percentage change = (New – Old) / Old × 100