-89.19% is the change from 185 to 20
Calculation steps:
[( 20 - 185 ) ÷ 185] x 100 = -89.19%
Formula
Percentage change = [(20 - 185) / 185] x 100
Subtract the new number by the original number
20 - 185 = -165
-165 ÷ 185 = -0.8918918918918919
-0.8918918918918919 x 100 = -89.19%