-47.65% is the change from 871 to 456
Calculation steps:
[( 456 - 871 ) ÷ 871] x 100 = -47.65%
Formula
Percentage change = [(456 - 871) / 871] x 100
Subtract the new number by the original number
456 - 871 = -415
-415 ÷ 871 = -0.4764638346727899
-0.4764638346727899 x 100 = -47.65%