-10.06% is the change from 686 to 617
Calculation steps:
[( 617 - 686 ) ÷ 686] x 100 = -10.06%
Formula
Percentage change = [(617 - 686) / 686] x 100
Subtract the new number by the original number
617 - 686 = -69
-69 ÷ 686 = -0.10058309037900874
-0.10058309037900874 x 100 = -10.06%