-46.88% is the change from 160 to 85
Calculation steps:
[( 85 - 160 ) ÷ 160] x 100 = -46.88%
Formula
Percentage change = [(85 - 160) / 160] x 100
Subtract the new number by the original number
85 - 160 = -75
-75 ÷ 160 = -0.46875
-0.46875 x 100 = -46.88%