Percentage Changes

Curriculum Relevance

England

Key Stage 4

Ma2: Number and Algebra

• (3e) convert simple fractions of a whole to percentages; calculate an original amount when given the transformed amount after a percentage change; reverse percentage problems
• (3j) solve percentage problems, including percentage increase and decrease
• (3s) use calculators for reverse percentage calculations by doing an appropriate division

Wales

Key Stages 3 and 4

Number

• (1.2) understand and use percentages (KS3)

Northern Ireland

Key Stages 3 and 4

Number

• (1f) understand and use percentages in context
• (2c) initially using simple percentages, calculate percentages of quantities and percentage change
• (2f) calculate percentages with money

Scotland

Standard Grade

Number

• finding a percentage of a quantity; expressing one quantity as a percentage of another (General Level)

Money

• simple interest (General Level)
• given a quantity after a percentage change calculate the original quantity (Credit Level)