-47.1% is the change from 603 to 319
Calculation steps:
[( 319 - 603 ) ÷ 603] x 100 = -47.1%
Formula
Percentage change = [(319 - 603) / 603] x 100
Subtract the new number by the original number
319 - 603 = -284
-284 ÷ 603 = -0.4709784411276949
-0.4709784411276949 x 100 = -47.1%