Calculator Tool

Percentage Change Calculator

Compute the percentage change between two numbers, whether the change is positive (increase) or negative (decrease).

How to Use This Calculator

Simple steps to solve your percentage change calculator problems

1

Try AI Math Solver

Click the button above to access our AI-powered math solver.

2

Input Your Problem

Type, paste, or upload an image of your percentage change calculator problem in natural language.

3

Get Step-by-Step Solution

Receive a detailed walkthrough with clear explanations for each step.

4

Ask Follow-up Questions

Need clarification? Ask questions about any step in the solution process.

Example prompts to paste

  • Percent change from 200 to 170
  • My grade went from 72 to 81—percent change?
  • Explain the difference between absolute and percent change

About This Calculator

Why MathAI GPT is different from traditional calculators

Percentage change is the go-to metric for comparing before/after values. A positive result means growth; a negative result means decline.

Common Uses

  • Compute percent change from old to new value
  • Interpret increases vs decreases
  • Compare changes across different contexts
  • Apply to sales, prices, scores, and more

Key Advantages

Shows each logical step — not just the final answer
Understands free-form math and plain language together
Accepts images of handwritten or printed problems
Helps you learn the method, not just copy answers
Percentage Change Calculator | MathAI GPT