-30.02% is the change from 603 to 422
Calculation steps:
[( 422 - 603 ) ÷ 603] x 100 = -30.02%
Formula
Percentage change = [(422 - 603) / 603] x 100
Subtract the new number by the original number
422 - 603 = -181
-181 ÷ 603 = -0.30016583747927034
-0.30016583747927034 x 100 = -30.02%