-4.29% is the change from 630 to 603
Calculation steps:
[( 603 - 630 ) ÷ 630] x 100 = -4.29%
Formula
Percentage change = [(603 - 630) / 630] x 100
Subtract the new number by the original number
603 - 630 = -27
-27 ÷ 630 = -0.04285714285714286
-0.04285714285714286 x 100 = -4.29%