-1.95% is the change from 871 to 854
Calculation steps:
[( 854 - 871 ) ÷ 871] x 100 = -1.95%
Formula
Percentage change = [(854 - 871) / 871] x 100
Subtract the new number by the original number
854 - 871 = -17
-17 ÷ 871 = -0.01951779563719862
-0.01951779563719862 x 100 = -1.95%