-24.14% is the change from 638 to 484
Calculation steps:
[( 484 - 638 ) ÷ 638] x 100 = -24.14%
Formula
Percentage change = [(484 - 638) / 638] x 100
Subtract the new number by the original number
484 - 638 = -154
-154 ÷ 638 = -0.2413793103448276
-0.2413793103448276 x 100 = -24.14%