-19.06% is the change from 871 to 705
Calculation steps:
[( 705 - 871 ) ÷ 871] x 100 = -19.06%
Formula
Percentage change = [(705 - 871) / 871] x 100
Subtract the new number by the original number
705 - 871 = -166
-166 ÷ 871 = -0.19058553386911595
-0.19058553386911595 x 100 = -19.06%