-16.42% is the change from 871 to 728
Calculation steps:
[( 728 - 871 ) ÷ 871] x 100 = -16.42%
Formula
Percentage change = [(728 - 871) / 871] x 100
Subtract the new number by the original number
728 - 871 = -143
-143 ÷ 871 = -0.16417910447761194
-0.16417910447761194 x 100 = -16.42%