-50.64% is the change from 861 to 425
Calculation steps:
[( 425 - 861 ) ÷ 861] x 100 = -50.64%
Formula
Percentage change = [(425 - 861) / 861] x 100
Subtract the new number by the original number
425 - 861 = -436
-436 ÷ 861 = -0.5063879210220673
-0.5063879210220673 x 100 = -50.64%