-49.37% is the change from 867 to 439
Calculation steps:
[( 439 - 867 ) ÷ 867] x 100 = -49.37%
Formula
Percentage change = [(439 - 867) / 867] x 100
Subtract the new number by the original number
439 - 867 = -428
-428 ÷ 867 = -0.4936562860438293
-0.4936562860438293 x 100 = -49.37%