6.2 Percentage change — Practise

Work independently. Questions and answers below come from checked practice records.

1. Increase £80 by 15%.
2. Decrease 240 by 12%.
3. A price rises from £40 to £46. Work out the percentage increase.
4. A quantity falls from 250 to 200. Work out the percentage decrease.
5. Write the multiplier for a 7% increase.
6. Write the multiplier for a 35% decrease.
7. A £560 bicycle is reduced by 8%. Work out its new price.
8. A town population of 18 000 increases by 2.5%. Work out the new population.
9. A value changes from 64 to 80. Work out the percentage change and state whether it is an increase or decrease.
10. A £120 item increases by 10%, then decreases by 10%. Work out its final price.