-49.48% is the change from 869 to 439
Calculation steps:
[( 439 - 869 ) ÷ 869] x 100 = -49.48%
Formula
Percentage change = [(439 - 869) / 869] x 100
Subtract the new number by the original number
439 - 869 = -430
-430 ÷ 869 = -0.4948216340621404
-0.4948216340621404 x 100 = -49.48%