-35.74% is the change from 638 to 410
Calculation steps:
[( 410 - 638 ) ÷ 638] x 100 = -35.74%
Formula
Percentage change = [(410 - 638) / 638] x 100
Subtract the new number by the original number
410 - 638 = -228
-228 ÷ 638 = -0.3573667711598746
-0.3573667711598746 x 100 = -35.74%