-90.71% is the change from 904 to 84
Calculation steps:
[( 84 - 904 ) ÷ 904] x 100 = -90.71%
Formula
Percentage change = [(84 - 904) / 904] x 100
Subtract the new number by the original number
84 - 904 = -820
-820 ÷ 904 = -0.9070796460176991
-0.9070796460176991 x 100 = -90.71%