-72.07% is the change from 845 to 236
Calculation steps:
[( 236 - 845 ) ÷ 845] x 100 = -72.07%
Formula
Percentage change = [(236 - 845) / 845] x 100
Subtract the new number by the original number
236 - 845 = -609
-609 ÷ 845 = -0.7207100591715976
-0.7207100591715976 x 100 = -72.07%