9677.78% is the change from 9 to 880
Calculation steps:
[( 880 - 9 ) ÷ 9] x 100 = 9677.78%
Formula
Percentage change = [(880 - 9) / 9] x 100
Subtract the new number by the original number
880 - 9 = 871
871 ÷ 9 = 96.77777777777777
96.77777777777777 x 100 = 9677.78%