% Percentage Calculator — Fast & Easy Online Tool

Use our free online percentage calculator to quickly calculate percentages, percentage changes, and comparisons.

What is % of ? 0.0
is what percent of ? 0.0 %
What is the percentage increase/decrease from
to ? 0.0 %

Quick Tips: Use Tab to move to the next field, Shift + Tab to go back, and Enter to calculate.

About This Percentage Calculator

Our percentage calculator is designed to help users easily compute percentages in different scenarios. Whether you're managing personal finance, analyzing investment returns, or determining tax rates, this tool will save you time and effort.

How Does the Percentage Calculator Work?

  • Find the percentage of a number (e.g., 15% of 200)
  • Determine what percentage one number is of another
  • Calculate percentage increase or decrease (e.g., price change from $50 to $75)

Practical Use Cases

  • Shopping discounts: Calculate how much you save on a sale
  • Stock market analysis: Determine price changes over time
  • Personal finance: Estimate interest rates and loan payments
  • Business metrics: Compare revenue growth or product sales

Need to calculate loan interest? Our Loan Calculator helps you determine monthly payments and total interest.

Frequently Asked Questions (FAQ)

What is a percentage?

A percentage expresses a number as a fraction of 100. It is commonly used to represent proportions, comparisons, and trends. The symbol % denotes percentage values.

How do you calculate a percentage?

The general percentage formula is: (Part ÷ Whole) × 100 = Percentage Example: If you have 50 apples and 20 are red, the percentage of red apples is (20 ÷ 50) × 100 = 40%.

Want to see how inflation affects percentages? Use our Inflation Calculator to check how money loses value over time.

Why are percentages important?

Percentages are widely used in finance, business, data analysis, and economics. Mastering percentage calculations helps in making informed decisions in investing, pricing, and everyday expenses.

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