-87.31% is the change from 323 to 41
Calculation steps:
[( 41 - 323 ) ÷ 323] x 100 = -87.31%
Formula
Percentage change = [(41 - 323) / 323] x 100
Subtract the new number by the original number
41 - 323 = -282
-282 ÷ 323 = -0.8730650154798761
-0.8730650154798761 x 100 = -87.31%