Percentage Calculator

Results

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How to Use the Percentage Calculator

Our percentage calculator helps you solve common percentage problems quickly and accurately. Whether you need to calculate tips, discounts, tax rates, or grade percentages, this tool provides instant results for all your percentage calculation needs.

Common Percentage Calculations

  • Basic Percentage: Calculate what X% of Y equals, or add/subtract percentages
  • Percentage Change: Find the percentage increase or decrease between two values
  • What Percent: Determine what percentage one number is of another

Percentage Formula Examples

Percentage of a number: (Percentage / 100) × Number

Percentage change: ((New Value - Original Value) / Original Value) × 100

What percent: (Number / Total) × 100

Real-World Applications

  • Calculate sales tax and discounts when shopping
  • Determine tip amounts at restaurants
  • Track investment gains and losses
  • Calculate grade percentages and GPA
  • Analyze business growth rates