-16.54% is the change from 671 to 560
Calculation steps:
[( 560 - 671 ) ÷ 671] x 100 = -16.54%
Formula
Percentage change = [(560 - 671) / 671] x 100
Subtract the new number by the original number
560 - 671 = -111
-111 ÷ 671 = -0.16542473919523099
-0.16542473919523099 x 100 = -16.54%