-88.91% is the change from 893 to 99
Calculation steps:
[( 99 - 893 ) ÷ 893] x 100 = -88.91%
Formula
Percentage change = [(99 - 893) / 893] x 100
Subtract the new number by the original number
99 - 893 = -794
-794 ÷ 893 = -0.8891377379619261
-0.8891377379619261 x 100 = -88.91%