-48.92% is the change from 323 to 165
Calculation steps:
[( 165 - 323 ) ÷ 323] x 100 = -48.92%
Formula
Percentage change = [(165 - 323) / 323] x 100
Subtract the new number by the original number
165 - 323 = -158
-158 ÷ 323 = -0.4891640866873065
-0.4891640866873065 x 100 = -48.92%