-40.76% is the change from 687 to 407
Calculation steps:
[( 407 - 687 ) ÷ 687] x 100 = -40.76%
Formula
Percentage change = [(407 - 687) / 687] x 100
Subtract the new number by the original number
407 - 687 = -280
-280 ÷ 687 = -0.40756914119359533
-0.40756914119359533 x 100 = -40.76%