-49.59% is the change from 603 to 304
Calculation steps:
[( 304 - 603 ) ÷ 603] x 100 = -49.59%
Formula
Percentage change = [(304 - 603) / 603] x 100
Subtract the new number by the original number
304 - 603 = -299
-299 ÷ 603 = -0.49585406301824214
-0.49585406301824214 x 100 = -49.59%