-30.65% is the change from 871 to 604
Calculation steps:
[( 604 - 871 ) ÷ 871] x 100 = -30.65%
Formula
Percentage change = [(604 - 871) / 871] x 100
Subtract the new number by the original number
604 - 871 = -267
-267 ÷ 871 = -0.3065442020665901
-0.3065442020665901 x 100 = -30.65%