Prev 1 of 1 Next Increase & decrease by a percentage using the decimal multiplier - GCSE Maths Revision Lesson How to Increase & decrease by a percentage using the decimal multiplier for GCSE Maths A video explaining how to use the "decimal multiplier" to increase and decrease an amount by a percentage which is required for GCSE Maths. Watch the video, subscribe, take notes, then go to our website for some practice... Please visit https://maths-school.co.uk for more revision Subscribe to our channel for more revision content coming soon - click here: https://bit.ly/2Y3ggGh Prev 1 of 1 Next Post navigation Factors and Highest Common Factor Similar or related calculations