AQA GCSE Geography · 8035
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GCSE Geography · key term
An increase or decrease expressed as a percentage of the original value.
Used by AQA, Edexcel and OCR
Paper 1, Paper 2, Paper 3
Paper 1
The change in a value expressed relative to its starting value: .
Specification 9.3 · Paper 1, Paper 2, Paper 3
Revise: Basic Number Skills, Scale, and PercentagesPercentage change compares a change with the original value.
Give the units for averages, quartiles, range and inter-quartile range. Percentage change has a % sign, not the original measurement unit.
Divide percentage change by the original value, not the new value.
Divide percentage change by the starting population, not the final population.
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