-2.76% is the change from 871 to 847
Calculation steps:
[( 847 - 871 ) ÷ 871] x 100 = -2.76%
Formula
Percentage change = [(847 - 871) / 871] x 100
Subtract the new number by the original number
847 - 871 = -24
-24 ÷ 871 = -0.027554535017221583
-0.027554535017221583 x 100 = -2.76%