-50.23% is the change from 872 to 434
Calculation steps:
[( 434 - 872 ) ÷ 872] x 100 = -50.23%
Formula
Percentage change = [(434 - 872) / 872] x 100
Subtract the new number by the original number
434 - 872 = -438
-438 ÷ 872 = -0.5022935779816514
-0.5022935779816514 x 100 = -50.23%