This deep dive covers Higher Level: Percentage Points vs Percentage Change within Percentages for GCSE Mathematics. Revise Percentages in Number for GCSE Mathematics with 14 exam-style questions and 22 flashcards. This topic appears regularly enough that it should still be part of a steady revision cycle. It is section 13 of 16 in this topic. Use this deep dive to connect the idea to the wider topic before moving on to questions and flashcards.
Higher Level: Percentage Points vs Percentage Change
Percentage points: Direct difference
- From 40% to 50% = increase of 10 percentage points
Percentage change: Relative change
- From 40% to 50% = (10/40) × 100 = 25% increase
Be careful which is meant in exam questions!
Practice questions for Percentages
Which calculation correctly finds 35% of £240 using the decimal method?
Which formula correctly expresses one quantity as a percentage of another?
Quick recall flashcards
What is a percentage?
Parts per hundred
Percent = per cent = per 100
% symbol means 'out of 100'
50% = 50/100 = half
Percentage to decimal
Divide by 100
75% = 0.75
8% = 0.08
150% = 1.5
Move decimal point 2 places left