7322.22% is the change from 9 to 668
Calculation steps:
[( 668 - 9 ) ÷ 9] x 100 = 7322.22%
Formula
Percentage change = [(668 - 9) / 9] x 100
Subtract the new number by the original number
668 - 9 = 659
659 ÷ 9 = 73.22222222222223
73.22222222222223 x 100 = 7322.22%