mtools.lol

Percentage Calculator

Work out percentages, percentage change, increases and decreases.

How it works

  1. 1Find the question you have.
  2. 2Type the two numbers.
  3. 3Read the answer.

Features

  • Six common percentage questions.
  • Instant results as you type.
  • Private: runs in your browser; nothing is uploaded.

Frequently asked questions

How is percentage change worked out?

(new − old) ÷ old × 100.