-9.32% is the change from 161 to 146
Calculation steps:
[( 146 - 161 ) ÷ 161] x 100 = -9.32%
Formula
Percentage change = [(146 - 161) / 161] x 100
Subtract the new number by the original number
146 - 161 = -15
-15 ÷ 161 = -0.09316770186335403
-0.09316770186335403 x 100 = -9.32%