-29.51% is the change from 871 to 614
Calculation steps:
[( 614 - 871 ) ÷ 871] x 100 = -29.51%
Formula
Percentage change = [(614 - 871) / 871] x 100
Subtract the new number by the original number
614 - 871 = -257
-257 ÷ 871 = -0.29506314580941445
-0.29506314580941445 x 100 = -29.51%