-1.03% is the change from 871 to 862
Calculation steps:
[( 862 - 871 ) ÷ 871] x 100 = -1.03%
Formula
Percentage change = [(862 - 871) / 871] x 100
Subtract the new number by the original number
862 - 871 = -9
-9 ÷ 871 = -0.010332950631458095
-0.010332950631458095 x 100 = -1.03%