7422.22% is the change from 9 to 677
Calculation steps:
[( 677 - 9 ) ÷ 9] x 100 = 7422.22%
Formula
Percentage change = [(677 - 9) / 9] x 100
Subtract the new number by the original number
677 - 9 = 668
668 ÷ 9 = 74.22222222222223
74.22222222222223 x 100 = 7422.22%