-51.13% is the change from 622 to 304
Calculation steps:
[( 304 - 622 ) ÷ 622] x 100 = -51.13%
Formula
Percentage change = [(304 - 622) / 622] x 100
Subtract the new number by the original number
304 - 622 = -318
-318 ÷ 622 = -0.5112540192926045
-0.5112540192926045 x 100 = -51.13%