-6.94% is the change from 648 to 603
Calculation steps:
[( 603 - 648 ) ÷ 648] x 100 = -6.94%
Formula
Percentage change = [(603 - 648) / 648] x 100
Subtract the new number by the original number
603 - 648 = -45
-45 ÷ 648 = -0.06944444444444445
-0.06944444444444445 x 100 = -6.94%