-55.26% is the change from 190 to 85
Calculation steps:
[( 85 - 190 ) ÷ 190] x 100 = -55.26%
Formula
Percentage change = [(85 - 190) / 190] x 100
Subtract the new number by the original number
85 - 190 = -105
-105 ÷ 190 = -0.5526315789473685
-0.5526315789473685 x 100 = -55.26%