-27.41% is the change from 686 to 498
Calculation steps:
[( 498 - 686 ) ÷ 686] x 100 = -27.41%
Formula
Percentage change = [(498 - 686) / 686] x 100
Subtract the new number by the original number
498 - 686 = -188
-188 ÷ 686 = -0.27405247813411077
-0.27405247813411077 x 100 = -27.41%