-16.05% is the change from 679 to 570
Calculation steps:
[( 570 - 679 ) ÷ 679] x 100 = -16.05%
Formula
Percentage change = [(570 - 679) / 679] x 100
Subtract the new number by the original number
570 - 679 = -109
-109 ÷ 679 = -0.16053019145802652
-0.16053019145802652 x 100 = -16.05%