Multipliers first
Multipliers first

A repeated percentage change means the same kind of percentage change happens more than once, each time on the new amount. The quickest method is to turn the percentage into a multiplier.
Step-by-step lessons on OCR GCSE Maths Repeated Percentage Change. Each one builds up to exam-style questions. Build fluency with number, ratio and algebra first, since geometry, probability and statistics topics rely on them, and leave extra time nearer the exam for Higher-tier problem-solving and multi-step reasoning questions.