-18.39% is the change from 386 to 315
Calculation steps:
[( 315 - 386 ) ÷ 386] x 100 = -18.39%
Formula
Percentage change = [(315 - 386) / 386] x 100
Subtract the new number by the original number
315 - 386 = -71
-71 ÷ 386 = -0.18393782383419688
-0.18393782383419688 x 100 = -18.39%