-89.89% is the change from 880 to 89
Calculation steps:
[( 89 - 880 ) ÷ 880] x 100 = -89.89%
Formula
Percentage change = [(89 - 880) / 880] x 100
Subtract the new number by the original number
89 - 880 = -791
-791 ÷ 880 = -0.8988636363636363
-0.8988636363636363 x 100 = -89.89%