-27.26% is the change from 686 to 499
Calculation steps:
[( 499 - 686 ) ÷ 686] x 100 = -27.26%
Formula
Percentage change = [(499 - 686) / 686] x 100
Subtract the new number by the original number
499 - 686 = -187
-187 ÷ 686 = -0.2725947521865889
-0.2725947521865889 x 100 = -27.26%