-36.01% is the change from 686 to 439
Calculation steps:
[( 439 - 686 ) ÷ 686] x 100 = -36.01%
Formula
Percentage change = [(439 - 686) / 686] x 100
Subtract the new number by the original number
439 - 686 = -247
-247 ÷ 686 = -0.36005830903790087
-0.36005830903790087 x 100 = -36.01%