-47.99% is the change from 323 to 168
Calculation steps:
[( 168 - 323 ) ÷ 323] x 100 = -47.99%
Formula
Percentage change = [(168 - 323) / 323] x 100
Subtract the new number by the original number
168 - 323 = -155
-155 ÷ 323 = -0.47987616099071206
-0.47987616099071206 x 100 = -47.99%