-16.1% is the change from 323 to 271
Calculation steps:
[( 271 - 323 ) ÷ 323] x 100 = -16.1%
Formula
Percentage change = [(271 - 323) / 323] x 100
Subtract the new number by the original number
271 - 323 = -52
-52 ÷ 323 = -0.1609907120743034
-0.1609907120743034 x 100 = -16.1%