-85.63% is the change from 160 to 23
Calculation steps:
[( 23 - 160 ) ÷ 160] x 100 = -85.63%
Formula
Percentage change = [(23 - 160) / 160] x 100
Subtract the new number by the original number
23 - 160 = -137
-137 ÷ 160 = -0.85625
-0.85625 x 100 = -85.63%