-50.4% is the change from 875 to 434
Calculation steps:
[( 434 - 875 ) ÷ 875] x 100 = -50.4%
Formula
Percentage change = [(434 - 875) / 875] x 100
Subtract the new number by the original number
434 - 875 = -441
-441 ÷ 875 = -0.504
-0.504 x 100 = -50.4%