-16.3% is the change from 871 to 729
Calculation steps:
[( 729 - 871 ) ÷ 871] x 100 = -16.3%
Formula
Percentage change = [(729 - 871) / 871] x 100
Subtract the new number by the original number
729 - 871 = -142
-142 ÷ 871 = -0.16303099885189437
-0.16303099885189437 x 100 = -16.3%