-45.86% is the change from 157 to 85
Calculation steps:
[( 85 - 157 ) ÷ 157] x 100 = -45.86%
Formula
Percentage change = [(85 - 157) / 157] x 100
Subtract the new number by the original number
85 - 157 = -72
-72 ÷ 157 = -0.4585987261146497
-0.4585987261146497 x 100 = -45.86%