7777.78% is the change from 9 to 709
Calculation steps:
[( 709 - 9 ) ÷ 9] x 100 = 7777.78%
Formula
Percentage change = [(709 - 9) / 9] x 100
Subtract the new number by the original number
709 - 9 = 700
700 ÷ 9 = 77.77777777777777
77.77777777777777 x 100 = 7777.78%