-55.63% is the change from 160 to 71
Calculation steps:
[( 71 - 160 ) ÷ 160] x 100 = -55.63%
Formula
Percentage change = [(71 - 160) / 160] x 100
Subtract the new number by the original number
71 - 160 = -89
-89 ÷ 160 = -0.55625
-0.55625 x 100 = -55.63%