-40.35% is the change from 679 to 405
Calculation steps:
[( 405 - 679 ) ÷ 679] x 100 = -40.35%
Formula
Percentage change = [(405 - 679) / 679] x 100
Subtract the new number by the original number
405 - 679 = -274
-274 ÷ 679 = -0.40353460972017674
-0.40353460972017674 x 100 = -40.35%