-2.07% is the change from 871 to 853
Calculation steps:
[( 853 - 871 ) ÷ 871] x 100 = -2.07%
Formula
Percentage change = [(853 - 871) / 871] x 100
Subtract the new number by the original number
853 - 871 = -18
-18 ÷ 871 = -0.02066590126291619
-0.02066590126291619 x 100 = -2.07%