9988.89% is the change from 9 to 908
Calculation steps:
[( 908 - 9 ) ÷ 9] x 100 = 9988.89%
Formula
Percentage change = [(908 - 9) / 9] x 100
Subtract the new number by the original number
908 - 9 = 899
899 ÷ 9 = 99.88888888888889
99.88888888888889 x 100 = 9988.89%