-51.59% is the change from 628 to 304
Calculation steps:
[( 304 - 628 ) ÷ 628] x 100 = -51.59%
Formula
Percentage change = [(304 - 628) / 628] x 100
Subtract the new number by the original number
304 - 628 = -324
-324 ÷ 628 = -0.5159235668789809
-0.5159235668789809 x 100 = -51.59%