GCSE Maths - How to Calculate Percentage Change (Increase or Decrease) (2026/27 exams)

⭐️ Check out our website https://www.cognito.org/ ⭐️ ** WHAT'S COVERED ** 1. Understanding and applying the formula for percentage change. 2. Identifying the 'change' and 'original' values in different scenarios. 3. Calculating percentage decrease using the formula. 4. Calculating percentage increase using the formula. How to find the 'change' when only the start and end values are provided. ** EXAM BOARD INFO ** This video is suitable for maths courses around the world. KS3 - All on your course GCSE Foundation - All on your course GCSE Higher - All on your course A-level - Not on your course ** CHAPTERS ** 0:00 Intro & Formula 0:10 Example 1: Percentage Decrease 1:42 Example 2: Percentage Increase 2:39 Example 3: Percentage Increase Greater than 100% ** PLAYLISTS **    • GCSE Maths (9-1)      • GCSE Biology (9-1)      • GCSE Chemistry (9-1)      • GCSE Physics (9-1)      • A-Level Biology   #GCSE #KS3 #Maths #study #revision #school #exam #AQA #OCR #Edexcel #IGCSE #IB #AP