8477.78% is the change from 9 to 772
Calculation steps:
[( 772 - 9 ) ÷ 9] x 100 = 8477.78%
Formula
Percentage change = [(772 - 9) / 9] x 100
Subtract the new number by the original number
772 - 9 = 763
763 ÷ 9 = 84.77777777777777
84.77777777777777 x 100 = 8477.78%