-51.15% is the change from 174 to 85
Calculation steps:
[( 85 - 174 ) ÷ 174] x 100 = -51.15%
Formula
Percentage change = [(85 - 174) / 174] x 100
Subtract the new number by the original number
85 - 174 = -89
-89 ÷ 174 = -0.5114942528735632
-0.5114942528735632 x 100 = -51.15%