-42.51% is the change from 668 to 384
Calculation steps:
[( 384 - 668 ) ÷ 668] x 100 = -42.51%
Formula
Percentage change = [(384 - 668) / 668] x 100
Subtract the new number by the original number
384 - 668 = -284
-284 ÷ 668 = -0.4251497005988024
-0.4251497005988024 x 100 = -42.51%