-40.55% is the change from 873 to 519
Calculation steps:
[( 519 - 873 ) ÷ 873] x 100 = -40.55%
Formula
Percentage change = [(519 - 873) / 873] x 100
Subtract the new number by the original number
519 - 873 = -354
-354 ÷ 873 = -0.4054982817869416
-0.4054982817869416 x 100 = -40.55%