-1.38% is the change from 871 to 859
Calculation steps:
[( 859 - 871 ) ÷ 871] x 100 = -1.38%
Formula
Percentage change = [(859 - 871) / 871] x 100
Subtract the new number by the original number
859 - 871 = -12
-12 ÷ 871 = -0.013777267508610792
-0.013777267508610792 x 100 = -1.38%