-90.41% is the change from 928 to 89
Calculation steps:
[( 89 - 928 ) ÷ 928] x 100 = -90.41%
Formula
Percentage change = [(89 - 928) / 928] x 100
Subtract the new number by the original number
89 - 928 = -839
-839 ÷ 928 = -0.9040948275862069
-0.9040948275862069 x 100 = -90.41%