-3.33% is the change from 872 to 843
Calculation steps:
[( 843 - 872 ) ÷ 872] x 100 = -3.33%
Formula
Percentage change = [(843 - 872) / 872] x 100
Subtract the new number by the original number
843 - 872 = -29
-29 ÷ 872 = -0.033256880733944956
-0.033256880733944956 x 100 = -3.33%