-53.65% is the change from 863 to 400
Calculation steps:
[( 400 - 863 ) ÷ 863] x 100 = -53.65%
Formula
Percentage change = [(400 - 863) / 863] x 100
Subtract the new number by the original number
400 - 863 = -463
-463 ÷ 863 = -0.5365005793742758
-0.5365005793742758 x 100 = -53.65%