-40.29% is the change from 685 to 409
Calculation steps:
[( 409 - 685 ) ÷ 685] x 100 = -40.29%
Formula
Percentage change = [(409 - 685) / 685] x 100
Subtract the new number by the original number
409 - 685 = -276
-276 ÷ 685 = -0.4029197080291971
-0.4029197080291971 x 100 = -40.29%