10888.89% is the change from 9 to 989
Calculation steps:
[( 989 - 9 ) ÷ 9] x 100 = 10888.89%
Formula
Percentage change = [(989 - 9) / 9] x 100
Subtract the new number by the original number
989 - 9 = 980
980 ÷ 9 = 108.88888888888889
108.88888888888889 x 100 = 10888.89%