-93.84% is the change from 666 to 41
Calculation steps:
[( 41 - 666 ) ÷ 666] x 100 = -93.84%
Formula
Percentage change = [(41 - 666) / 666] x 100
Subtract the new number by the original number
41 - 666 = -625
-625 ÷ 666 = -0.9384384384384384
-0.9384384384384384 x 100 = -93.84%