-11.46% is the change from 323 to 286
Calculation steps:
[( 286 - 323 ) ÷ 323] x 100 = -11.46%
Formula
Percentage change = [(286 - 323) / 323] x 100
Subtract the new number by the original number
286 - 323 = -37
-37 ÷ 323 = -0.11455108359133127
-0.11455108359133127 x 100 = -11.46%