-5.8% is the change from 638 to 601
Calculation steps:
[( 601 - 638 ) ÷ 638] x 100 = -5.8%
Formula
Percentage change = [(601 - 638) / 638] x 100
Subtract the new number by the original number
601 - 638 = -37
-37 ÷ 638 = -0.05799373040752351
-0.05799373040752351 x 100 = -5.8%