-50.74% is the change from 873 to 430
Calculation steps:
[( 430 - 873 ) ÷ 873] x 100 = -50.74%
Formula
Percentage change = [(430 - 873) / 873] x 100
Subtract the new number by the original number
430 - 873 = -443
-443 ÷ 873 = -0.5074455899198167
-0.5074455899198167 x 100 = -50.74%