-65.67% is the change from 836 to 287
Calculation steps:
[( 287 - 836 ) ÷ 836] x 100 = -65.67%
Formula
Percentage change = [(287 - 836) / 836] x 100
Subtract the new number by the original number
287 - 836 = -549
-549 ÷ 836 = -0.6566985645933014
-0.6566985645933014 x 100 = -65.67%