-1.03% is the change from 872 to 863
Calculation steps:
[( 863 - 872 ) ÷ 872] x 100 = -1.03%
Formula
Percentage change = [(863 - 872) / 872] x 100
Subtract the new number by the original number
863 - 872 = -9
-9 ÷ 872 = -0.010321100917431193
-0.010321100917431193 x 100 = -1.03%