-15.81% is the change from 677 to 570
Calculation steps:
[( 570 - 677 ) ÷ 677] x 100 = -15.81%
Formula
Percentage change = [(570 - 677) / 677] x 100
Subtract the new number by the original number
570 - 677 = -107
-107 ÷ 677 = -0.15805022156573117
-0.15805022156573117 x 100 = -15.81%