-54.55% is the change from 187 to 85
Calculation steps:
[( 85 - 187 ) ÷ 187] x 100 = -54.55%
Formula
Percentage change = [(85 - 187) / 187] x 100
Subtract the new number by the original number
85 - 187 = -102
-102 ÷ 187 = -0.5454545454545454
-0.5454545454545454 x 100 = -54.55%