-35.33% is the change from 668 to 432
Calculation steps:
[( 432 - 668 ) ÷ 668] x 100 = -35.33%
Formula
Percentage change = [(432 - 668) / 668] x 100
Subtract the new number by the original number
432 - 668 = -236
-236 ÷ 668 = -0.3532934131736527
-0.3532934131736527 x 100 = -35.33%