-7.52% is the change from 638 to 590
Calculation steps:
[( 590 - 638 ) ÷ 638] x 100 = -7.52%
Formula
Percentage change = [(590 - 638) / 638] x 100
Subtract the new number by the original number
590 - 638 = -48
-48 ÷ 638 = -0.07523510971786834
-0.07523510971786834 x 100 = -7.52%