8955.56% is the change from 9 to 815
Calculation steps:
[( 815 - 9 ) ÷ 9] x 100 = 8955.56%
Formula
Percentage change = [(815 - 9) / 9] x 100
Subtract the new number by the original number
815 - 9 = 806
806 ÷ 9 = 89.55555555555556
89.55555555555556 x 100 = 8955.56%