-40.56% is the change from 323 to 192
Calculation steps:
[( 192 - 323 ) ÷ 323] x 100 = -40.56%
Formula
Percentage change = [(192 - 323) / 323] x 100
Subtract the new number by the original number
192 - 323 = -131
-131 ÷ 323 = -0.4055727554179567
-0.4055727554179567 x 100 = -40.56%