-53.04% is the change from 181 to 85
Calculation steps:
[( 85 - 181 ) ÷ 181] x 100 = -53.04%
Formula
Percentage change = [(85 - 181) / 181] x 100
Subtract the new number by the original number
85 - 181 = -96
-96 ÷ 181 = -0.5303867403314917
-0.5303867403314917 x 100 = -53.04%