-7.5% is the change from 160 to 148
Calculation steps:
[( 148 - 160 ) ÷ 160] x 100 = -7.5%
Formula
Percentage change = [(148 - 160) / 160] x 100
Subtract the new number by the original number
148 - 160 = -12
-12 ÷ 160 = -0.075
-0.075 x 100 = -7.5%
Example