-27.86% is the change from 323 to 233
Calculation steps:
[( 233 - 323 ) ÷ 323] x 100 = -27.86%
Formula
Percentage change = [(233 - 323) / 323] x 100
Subtract the new number by the original number
233 - 323 = -90
-90 ÷ 323 = -0.2786377708978328
-0.2786377708978328 x 100 = -27.86%