-51.1% is the change from 867 to 424
Calculation steps:
[( 424 - 867 ) ÷ 867] x 100 = -51.1%
Formula
Percentage change = [(424 - 867) / 867] x 100
Subtract the new number by the original number
424 - 867 = -443
-443 ÷ 867 = -0.510957324106113
-0.510957324106113 x 100 = -51.1%