-26.3% is the change from 863 to 636
Calculation steps:
[( 636 - 863 ) ÷ 863] x 100 = -26.3%
Formula
Percentage change = [(636 - 863) / 863] x 100
Subtract the new number by the original number
636 - 863 = -227
-227 ÷ 863 = -0.2630359212050985
-0.2630359212050985 x 100 = -26.3%