How to increase an amount by a percentage - BBC Bitesize
9 Ways to Find Percent Increase - wikiHow
3 Ways to Calculate Percentage Increase - wikiHow
3 Ways to Calculate Percentage Increase - wikiHow
Calculating Percent Increase in 3 Easy Steps — Mashup Math
Corbettmaths on Twitter: "Percentage Change: you may be asked to calculate percentage increase/decrease etc http://t.co/A0xEOnea1b http://t.co/PqB5VUO37K" / Twitter
IGCSE Mathematics | How to calculate percentage increase - Thames Notes
Calculating Percent Increase in 3 Easy Steps - YouTube