-49.48% is the change from 863 to 436
Calculation steps:
[( 436 - 863 ) ÷ 863] x 100 = -49.48%
Formula
Percentage change = [(436 - 863) / 863] x 100
Subtract the new number by the original number
436 - 863 = -427
-427 ÷ 863 = -0.4947856315179606
-0.4947856315179606 x 100 = -49.48%