-65.04% is the change from 818 to 286
Calculation steps:
[( 286 - 818 ) ÷ 818] x 100 = -65.04%
Formula
Percentage change = [(286 - 818) / 818] x 100
Subtract the new number by the original number
286 - 818 = -532
-532 ÷ 818 = -0.6503667481662592
-0.6503667481662592 x 100 = -65.04%