-89.48% is the change from 808 to 85
Calculation steps:
[( 85 - 808 ) ÷ 808] x 100 = -89.48%
Formula
Percentage change = [(85 - 808) / 808] x 100
Subtract the new number by the original number
85 - 808 = -723
-723 ÷ 808 = -0.8948019801980198
-0.8948019801980198 x 100 = -89.48%