-55.5% is the change from 863 to 384
Calculation steps:
[( 384 - 863 ) ÷ 863] x 100 = -55.5%
Formula
Percentage change = [(384 - 863) / 863] x 100
Subtract the new number by the original number
384 - 863 = -479
-479 ÷ 863 = -0.5550405561993047
-0.5550405561993047 x 100 = -55.5%