7244.44% is the change from 9 to 661
Calculation steps:
[( 661 - 9 ) ÷ 9] x 100 = 7244.44%
Formula
Percentage change = [(661 - 9) / 9] x 100
Subtract the new number by the original number
661 - 9 = 652
652 ÷ 9 = 72.44444444444444
72.44444444444444 x 100 = 7244.44%