-87.5% is the change from 880 to 110
Calculation steps:
[( 110 - 880 ) ÷ 880] x 100 = -87.5%
Formula
Percentage change = [(110 - 880) / 880] x 100
Subtract the new number by the original number
110 - 880 = -770
-770 ÷ 880 = -0.875
-0.875 x 100 = -87.5%