7544.44% is the change from 9 to 688
Calculation steps:
[( 688 - 9 ) ÷ 9] x 100 = 7544.44%
Formula
Percentage change = [(688 - 9) / 9] x 100
Subtract the new number by the original number
688 - 9 = 679
679 ÷ 9 = 75.44444444444444
75.44444444444444 x 100 = 7544.44%