1
Q
percentage increase
original price
A
A car increase in value by 20% It is now worth120%. Work out it’s original price
- 120%=240
- 10%=20
- 100%=200
Find 100%
2
Q
Percentage decrease
Finding percentage decrease
A
Change ÷ original x 100
3
Q
Percentage change
A
change ÷ original amount x 100
4
Q
Reverse percentage
A
New amount ÷ percentage multiplier
= original price
5
Q
Percentage increase
A
(New-Old÷Old) x 100
