-44.36% is the change from 638 to 355
Calculation steps:
[( 355 - 638 ) ÷ 638] x 100 = -44.36%
Formula
Percentage change = [(355 - 638) / 638] x 100
Subtract the new number by the original number
355 - 638 = -283
-283 ÷ 638 = -0.44357366771159873
-0.44357366771159873 x 100 = -44.36%