655.56% is the change from 9 to 68
Calculation steps:
[( 68 - 9 ) ÷ 9] x 100 = 655.56%
Formula
Percentage change = [(68 - 9) / 9] x 100
Subtract the new number by the original number
68 - 9 = 59
59 ÷ 9 = 6.555555555555555
6.555555555555555 x 100 = 655.56%