Biology GCSE
percentage change
What percentage change means in Biology GCSE, as defined for OCR.
Definition of percentage change
Check what you remember
Read the wording for your board, then hide it and explain percentage change in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Calculated as ((final mass − initial mass) / initial mass) × 100, standardising results because pieces cannot be cut to identical starting masses.
Topics that use percentage change
- Supplying the cell (OCR GCSE)
Related terms
- Active transport
- adult stem cells
- cell cycle
- Cell differentiation
- development and growth
- Diffusion
- division of labour
- DNA replication
Using percentage change in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Biology questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Biology GCSE termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge