7577.78% is the change from 9 to 691
Calculation steps:
[( 691 - 9 ) ÷ 9] x 100 = 7577.78%
Formula
Percentage change = [(691 - 9) / 9] x 100
Subtract the new number by the original number
691 - 9 = 682
682 ÷ 9 = 75.77777777777777
75.77777777777777 x 100 = 7577.78%