-18.35% is the change from 387 to 316
Calculation steps:
[( 316 - 387 ) ÷ 387] x 100 = -18.35%
Formula
Percentage change = [(316 - 387) / 387] x 100
Subtract the new number by the original number
316 - 387 = -71
-71 ÷ 387 = -0.1834625322997416
-0.1834625322997416 x 100 = -18.35%