-42.32% is the change from 872 to 503
Calculation steps:
[( 503 - 872 ) ÷ 872] x 100 = -42.32%
Formula
Percentage change = [(503 - 872) / 872] x 100
Subtract the new number by the original number
503 - 872 = -369
-369 ÷ 872 = -0.4231651376146789
-0.4231651376146789 x 100 = -42.32%