-52.48% is the change from 686 to 326
Calculation steps:
[( 326 - 686 ) ÷ 686] x 100 = -52.48%
Formula
Percentage change = [(326 - 686) / 686] x 100
Subtract the new number by the original number
326 - 686 = -360
-360 ÷ 686 = -0.5247813411078717
-0.5247813411078717 x 100 = -52.48%