-2.16% is the change from 324 to 317
Calculation steps:
[( 317 - 324 ) ÷ 324] x 100 = -2.16%
Formula
Percentage change = [(317 - 324) / 324] x 100
Subtract the new number by the original number
317 - 324 = -7
-7 ÷ 324 = -0.021604938271604937
-0.021604938271604937 x 100 = -2.16%