-38.19% is the change from 686 to 424
Calculation steps:
[( 424 - 686 ) ÷ 686] x 100 = -38.19%
Formula
Percentage change = [(424 - 686) / 686] x 100
Subtract the new number by the original number
424 - 686 = -262
-262 ÷ 686 = -0.3819241982507289
-0.3819241982507289 x 100 = -38.19%