-71.65% is the change from 850 to 241
Calculation steps:
[( 241 - 850 ) ÷ 850] x 100 = -71.65%
Formula
Percentage change = [(241 - 850) / 850] x 100
Subtract the new number by the original number
241 - 850 = -609
-609 ÷ 850 = -0.7164705882352941
-0.7164705882352941 x 100 = -71.65%