-64.06% is the change from 871 to 313
Calculation steps:
[( 313 - 871 ) ÷ 871] x 100 = -64.06%
Formula
Percentage change = [(313 - 871) / 871] x 100
Subtract the new number by the original number
313 - 871 = -558
-558 ÷ 871 = -0.6406429391504018
-0.6406429391504018 x 100 = -64.06%