577.78% is the change from 9 to 61
Calculation steps:
[( 61 - 9 ) ÷ 9] x 100 = 577.78%
Formula
Percentage change = [(61 - 9) / 9] x 100
Subtract the new number by the original number
61 - 9 = 52
52 ÷ 9 = 5.777777777777778
5.777777777777778 x 100 = 577.78%