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What percentage change measures

What percentage change measures

Flow diagram showing original amount, change, new amount, and the percentage change formula with the original amount highlighted in the denominator

Percentage change tells you how big a change is compared with what you started with. That is why a £20 change can be tiny in one question but huge in another.

Percentage Change Lesson

  1. IGCSE
  2. /Maths
  3. /Percentage Change

Step-by-step lessons covering Oxford AQA IGCSE Maths Percentage Change for Core and Extended tier. Each lesson works through exam-style questions in Paper 1 and Paper 2 (Core: 1C and 2C; Extension: 1E and 2E) format. Since content from any part of the specification can appear on either paper, keep number and algebra fluency sharp throughout the course rather than leaving it until near the exam.

Lessons