Percentage Increase Calculator

Calculate percentage growth from one value to another. Perfect for analyzing price hikes, salary increments, or portfolio growth.

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About Percentages

A percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign, "%". Percentages are used to express how large or small one quantity is relative to another.

Calculation Examples

TypeCalculationResult
Salary Hike50k to 60k20% increase
Price Rise$10 to $1220% increase

Common Formulas

  • Percentage: (Part / Whole) × 100
  • Percentage Change: ((New - Old) / Old) × 100
  • Percentage Decrease: ((Old - New) / Old) × 100

Frequently Asked Questions

How to find percentage increase?

Subtract original number from new number, divide by original number, and multiply by 100. (New - Original) / Original × 100.

What if the result is negative?

A negative percentage increase is actually a percentage decrease. For example, going from 100 to 80 is a -20% increase, or a 20% decrease.