-54.92% is the change from 863 to 389
Calculation steps:
[( 389 - 863 ) ÷ 863] x 100 = -54.92%
Formula
Percentage change = [(389 - 863) / 863] x 100
Subtract the new number by the original number
389 - 863 = -474
-474 ÷ 863 = -0.5492468134414832
-0.5492468134414832 x 100 = -54.92%