-40.7% is the change from 683 to 405
Calculation steps:
[( 405 - 683 ) ÷ 683] x 100 = -40.7%
Formula
Percentage change = [(405 - 683) / 683] x 100
Subtract the new number by the original number
405 - 683 = -278
-278 ÷ 683 = -0.40702781844802344
-0.40702781844802344 x 100 = -40.7%