4:07 GCSE Maths - How to Calculate Percentage Change (Increase or Decrease) (2026/27 exams)
Clear, concise walkthrough of the percentage change formula for both increases and decreases.
Finding percentage change
Find a percentage change
6 hand-picked video lessons for this topic, each checked for relevance and clarity, graded by difficulty and labelled by depth. Press play to watch — nothing loads from YouTube until you do.
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13:39 Percentage Change - GCSE Maths
Thorough GCSE lesson on percentage change including profit, loss and worked exam-style contexts.
3:35 Percentage Change - Corbettmaths
Corbettmaths gives a quick, reliable run-through of finding percentage increase and decrease.
11:08 Percentage Change
Maths Genie works through several percentage change examples at a steady, exam-focused pace.
18:49 Percentage Changes Without a Calculator (Percentage Profit!) | Grade 5 Crossover | GCSE Maths Tutor
Non-calculator percentage change and percentage profit strategies for foundation and higher students.
4:25 Percent of Change | Percent Increase and Decrease | Math with Mr. J
Well-paced explanation of percent increase and decrease using the change-over-original method.