-49.94% is the change from 861 to 431
Calculation steps:
[( 431 - 861 ) ÷ 861] x 100 = -49.94%
Formula
Percentage change = [(431 - 861) / 861] x 100
Subtract the new number by the original number
431 - 861 = -430
-430 ÷ 861 = -0.4994192799070848
-0.4994192799070848 x 100 = -49.94%