7522.22% is the change from 9 to 686
Calculation steps:
[( 686 - 9 ) ÷ 9] x 100 = 7522.22%
Formula
Percentage change = [(686 - 9) / 9] x 100
Subtract the new number by the original number
686 - 9 = 677
677 ÷ 9 = 75.22222222222223
75.22222222222223 x 100 = 7522.22%