-93.86% is the change from 668 to 41
Calculation steps:
[( 41 - 668 ) ÷ 668] x 100 = -93.86%
Formula
Percentage change = [(41 - 668) / 668] x 100
Subtract the new number by the original number
41 - 668 = -627
-627 ÷ 668 = -0.938622754491018
-0.938622754491018 x 100 = -93.86%