-79.4% is the change from 199 to 41
Calculation steps:
[( 41 - 199 ) ÷ 199] x 100 = -79.4%
Formula
Percentage change = [(41 - 199) / 199] x 100
Subtract the new number by the original number
41 - 199 = -158
-158 ÷ 199 = -0.7939698492462312
-0.7939698492462312 x 100 = -79.4%