-17.19% is the change from 384 to 318
Calculation steps:
[( 318 - 384 ) ÷ 384] x 100 = -17.19%
Formula
Percentage change = [(318 - 384) / 384] x 100
Subtract the new number by the original number
318 - 384 = -66
-66 ÷ 384 = -0.171875
-0.171875 x 100 = -17.19%