-50.06% is the change from 873 to 436
Calculation steps:
[( 436 - 873 ) ÷ 873] x 100 = -50.06%
Formula
Percentage change = [(436 - 873) / 873] x 100
Subtract the new number by the original number
436 - 873 = -437
-437 ÷ 873 = -0.5005727376861397
-0.5005727376861397 x 100 = -50.06%