Back to Calculators

Advanced Percentage Calculator

Calculate percentages, find values, compare changes, and analyze differences with our comprehensive calculator

What percentage of X is Y?

Result
25%
Formula: (Y ÷ X) × 100

What is X% of Y?

Result
100
Formula: (X ÷ 100) × Y

Calculation History

About Our Percentage Calculator

Our comprehensive percentage calculator helps you solve various percentage-related problems with ease. Whether you need to calculate percentages, find percentage increases or decreases, or work with markup and margin calculations, our tool provides accurate results instantly.

What Can You Calculate?

  • Basic percentage calculations - Find what percent one number is of another or calculate a percentage of a given value
  • Percentage change - Determine the percentage increase or decrease between two values
  • Percentage difference - Compare two values and express their difference as a percentage
  • Reverse percentage calculations - Find the original value when you know the percentage change
  • Markup and margin calculations - Essential for business and retail applications

Common Percentage Formulas

Basic Percentage: (Part / Whole) × 100

Percentage of a Value: (Percentage / 100) × Total Value

Percentage Change: [(New Value - Original Value) / Original Value] × 100

Percentage Difference: |Value1 - Value2| / [(Value1 + Value2)/2] × 100

Practical Applications

Percentage calculations are essential in many real-life situations including financial planning, shopping discounts, tax calculations, statistical analysis, and academic grading. Our percentage calculator simplifies these calculations, saving you time and ensuring accuracy.

Why Use Our Percentage Calculator?

Unlike basic calculators, our tool offers multiple calculation types in one convenient interface. With a clean, intuitive design and instant results, you can solve percentage problems faster and more accurately than manual calculations. The calculator also provides formula explanations and maintains a history of your calculations for reference.

Whether you're a student, teacher, business professional, or just someone who needs to work with percentages regularly, our free percentage calculator is the perfect tool to simplify your calculations.