-11.25% is the change from 160 to 142
Calculation steps:
[( 142 - 160 ) ÷ 160] x 100 = -11.25%
Formula
Percentage change = [(142 - 160) / 160] x 100
Subtract the new number by the original number
142 - 160 = -18
-18 ÷ 160 = -0.1125
-0.1125 x 100 = -11.25%