700% is the change from 5 to 40
Calculation steps:
[( 40 - 5 ) ÷ 5] x 100 = 700%
Formula
Percentage change = [(40 - 5) / 5] x 100
Subtract the new number by the original number
40 - 5 = 35
35 ÷ 5 = 7
7 x 100 = 700%
Example