-35.11% is the change from 638 to 414
Calculation steps:
[( 414 - 638 ) ÷ 638] x 100 = -35.11%
Formula
Percentage change = [(414 - 638) / 638] x 100
Subtract the new number by the original number
414 - 638 = -224
-224 ÷ 638 = -0.3510971786833856
-0.3510971786833856 x 100 = -35.11%