6677.78% is the change from 9 to 610
Calculation steps:
[( 610 - 9 ) ÷ 9] x 100 = 6677.78%
Formula
Percentage change = [(610 - 9) / 9] x 100
Subtract the new number by the original number
610 - 9 = 601
601 ÷ 9 = 66.77777777777777
66.77777777777777 x 100 = 6677.78%