9777.78% is the change from 9 to 889
Calculation steps:
[( 889 - 9 ) ÷ 9] x 100 = 9777.78%
Formula
Percentage change = [(889 - 9) / 9] x 100
Subtract the new number by the original number
889 - 9 = 880
880 ÷ 9 = 97.77777777777777
97.77777777777777 x 100 = 9777.78%