-52.95% is the change from 863 to 406
Calculation steps:
[( 406 - 863 ) ÷ 863] x 100 = -52.95%
Formula
Percentage change = [(406 - 863) / 863] x 100
Subtract the new number by the original number
406 - 863 = -457
-457 ÷ 863 = -0.52954808806489
-0.52954808806489 x 100 = -52.95%