-24.64% is the change from 686 to 517
Calculation steps:
[( 517 - 686 ) ÷ 686] x 100 = -24.64%
Formula
Percentage change = [(517 - 686) / 686] x 100
Subtract the new number by the original number
517 - 686 = -169
-169 ÷ 686 = -0.24635568513119532
-0.24635568513119532 x 100 = -24.64%