-48.8% is the change from 873 to 447
Calculation steps:
[( 447 - 873 ) ÷ 873] x 100 = -48.8%
Formula
Percentage change = [(447 - 873) / 873] x 100
Subtract the new number by the original number
447 - 873 = -426
-426 ÷ 873 = -0.4879725085910653
-0.4879725085910653 x 100 = -48.8%