-52.12% is the change from 871 to 417
Calculation steps:
[( 417 - 871 ) ÷ 871] x 100 = -52.12%
Formula
Percentage change = [(417 - 871) / 871] x 100
Subtract the new number by the original number
417 - 871 = -454
-454 ÷ 871 = -0.521239954075775
-0.521239954075775 x 100 = -52.12%