-46.93% is the change from 603 to 320
Calculation steps:
[( 320 - 603 ) ÷ 603] x 100 = -46.93%
Formula
Percentage change = [(320 - 603) / 603] x 100
Subtract the new number by the original number
320 - 603 = -283
-283 ÷ 603 = -0.4693200663349917
-0.4693200663349917 x 100 = -46.93%