-42.22% is the change from 668 to 386
Calculation steps:
[( 386 - 668 ) ÷ 668] x 100 = -42.22%
Formula
Percentage change = [(386 - 668) / 668] x 100
Subtract the new number by the original number
386 - 668 = -282
-282 ÷ 668 = -0.4221556886227545
-0.4221556886227545 x 100 = -42.22%