-50.87% is the change from 867 to 426
Calculation steps:
[( 426 - 867 ) ÷ 867] x 100 = -50.87%
Formula
Percentage change = [(426 - 867) / 867] x 100
Subtract the new number by the original number
426 - 867 = -441
-441 ÷ 867 = -0.5086505190311419
-0.5086505190311419 x 100 = -50.87%