700% is the change from 9 to 72
Calculation steps:
[( 72 - 9 ) ÷ 9] x 100 = 700%
Formula
Percentage change = [(72 - 9) / 9] x 100
Subtract the new number by the original number
72 - 9 = 63
63 ÷ 9 = 7
7 x 100 = 700%
Example