-54.69% is the change from 863 to 391
Calculation steps:
[( 391 - 863 ) ÷ 863] x 100 = -54.69%
Formula
Percentage change = [(391 - 863) / 863] x 100
Subtract the new number by the original number
391 - 863 = -472
-472 ÷ 863 = -0.5469293163383546
-0.5469293163383546 x 100 = -54.69%