-50.91% is the change from 603 to 296
Calculation steps:
[( 296 - 603 ) ÷ 603] x 100 = -50.91%
Formula
Percentage change = [(296 - 603) / 603] x 100
Subtract the new number by the original number
296 - 603 = -307
-307 ÷ 603 = -0.5091210613598673
-0.5091210613598673 x 100 = -50.91%