-48.68% is the change from 871 to 447
Calculation steps:
[( 447 - 871 ) ÷ 871] x 100 = -48.68%
Formula
Percentage change = [(447 - 871) / 871] x 100
Subtract the new number by the original number
447 - 871 = -424
-424 ÷ 871 = -0.48679678530424797
-0.48679678530424797 x 100 = -48.68%