-14.62% is the change from 171 to 146
Calculation steps:
[( 146 - 171 ) ÷ 171] x 100 = -14.62%
Formula
Percentage change = [(146 - 171) / 171] x 100
Subtract the new number by the original number
146 - 171 = -25
-25 ÷ 171 = -0.14619883040935672
-0.14619883040935672 x 100 = -14.62%