-93.69% is the change from 650 to 41
Calculation steps:
[( 41 - 650 ) ÷ 650] x 100 = -93.69%
Formula
Percentage change = [(41 - 650) / 650] x 100
Subtract the new number by the original number
41 - 650 = -609
-609 ÷ 650 = -0.936923076923077
-0.936923076923077 x 100 = -93.69%