-51.52% is the change from 627 to 304
Calculation steps:
[( 304 - 627 ) ÷ 627] x 100 = -51.52%
Formula
Percentage change = [(304 - 627) / 627] x 100
Subtract the new number by the original number
304 - 627 = -323
-323 ÷ 627 = -0.5151515151515151
-0.5151515151515151 x 100 = -51.52%