-42.66% is the change from 668 to 383
Calculation steps:
[( 383 - 668 ) ÷ 668] x 100 = -42.66%
Formula
Percentage change = [(383 - 668) / 668] x 100
Subtract the new number by the original number
383 - 668 = -285
-285 ÷ 668 = -0.42664670658682635
-0.42664670658682635 x 100 = -42.66%