-50.29% is the change from 867 to 431
Calculation steps:
[( 431 - 867 ) ÷ 867] x 100 = -50.29%
Formula
Percentage change = [(431 - 867) / 867] x 100
Subtract the new number by the original number
431 - 867 = -436
-436 ÷ 867 = -0.5028835063437139
-0.5028835063437139 x 100 = -50.29%