-23.86% is the change from 679 to 517
Calculation steps:
[( 517 - 679 ) ÷ 679] x 100 = -23.86%
Formula
Percentage change = [(517 - 679) / 679] x 100
Subtract the new number by the original number
517 - 679 = -162
-162 ÷ 679 = -0.23858615611192932
-0.23858615611192932 x 100 = -23.86%