-15.8% is the change from 671 to 565
Calculation steps:
[( 565 - 671 ) ÷ 671] x 100 = -15.8%
Formula
Percentage change = [(565 - 671) / 671] x 100
Subtract the new number by the original number
565 - 671 = -106
-106 ÷ 671 = -0.15797317436661698
-0.15797317436661698 x 100 = -15.8%