-39.94% is the change from 676 to 406
Calculation steps:
[( 406 - 676 ) ÷ 676] x 100 = -39.94%
Formula
Percentage change = [(406 - 676) / 676] x 100
Subtract the new number by the original number
406 - 676 = -270
-270 ÷ 676 = -0.3994082840236686
-0.3994082840236686 x 100 = -39.94%