-63.95% is the change from 871 to 314
Calculation steps:
[( 314 - 871 ) ÷ 871] x 100 = -63.95%
Formula
Percentage change = [(314 - 871) / 871] x 100
Subtract the new number by the original number
314 - 871 = -557
-557 ÷ 871 = -0.6394948335246843
-0.6394948335246843 x 100 = -63.95%