-9.22% is the change from 423 to 384
Calculation steps:
[( 384 - 423 ) ÷ 423] x 100 = -9.22%
Formula
Percentage change = [(384 - 423) / 423] x 100
Subtract the new number by the original number
384 - 423 = -39
-39 ÷ 423 = -0.09219858156028368
-0.09219858156028368 x 100 = -9.22%