7700% is the change from 9 to 702
Calculation steps:
[( 702 - 9 ) ÷ 9] x 100 = 7700%
Formula
Percentage change = [(702 - 9) / 9] x 100
Subtract the new number by the original number
702 - 9 = 693
693 ÷ 9 = 77
77 x 100 = 7700%
Example