-65.71% is the change from 834 to 286
Calculation steps:
[( 286 - 834 ) ÷ 834] x 100 = -65.71%
Formula
Percentage change = [(286 - 834) / 834] x 100
Subtract the new number by the original number
286 - 834 = -548
-548 ÷ 834 = -0.657074340527578
-0.657074340527578 x 100 = -65.71%