-17.97% is the change from 384 to 315
Calculation steps:
[( 315 - 384 ) ÷ 384] x 100 = -17.97%
Formula
Percentage change = [(315 - 384) / 384] x 100
Subtract the new number by the original number
315 - 384 = -69
-69 ÷ 384 = -0.1796875
-0.1796875 x 100 = -17.97%