GCSE Maths - Percentage Increase and Decrease (Multiplier Method) #93

This video tutorial explains how to calculate percentage increases and decreases using two methods: a simple, intuitive technique and a more advanced multiplier method. It covers step-by-step examples for both increasing and decreasing values by a percentage, including real-world applications like discounts. The tutorial also highlights common mistakes and special cases, such as handling percentage changes less than 10% or more than 100%.

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