9977.78% is the change from 9 to 907
Calculation steps:
[( 907 - 9 ) ÷ 9] x 100 = 9977.78%
Formula
Percentage change = [(907 - 9) / 9] x 100
Subtract the new number by the original number
907 - 9 = 898
898 ÷ 9 = 99.77777777777777
99.77777777777777 x 100 = 9977.78%