-98.75% is the change from 880 to 11
Calculation steps:
[( 11 - 880 ) ÷ 880] x 100 = -98.75%
Formula
Percentage change = [(11 - 880) / 880] x 100
Subtract the new number by the original number
11 - 880 = -869
-869 ÷ 880 = -0.9875
-0.9875 x 100 = -98.75%