-55.1% is the change from 677 to 304
Calculation steps:
[( 304 - 677 ) ÷ 677] x 100 = -55.1%
Formula
Percentage change = [(304 - 677) / 677] x 100
Subtract the new number by the original number
304 - 677 = -373
-373 ÷ 677 = -0.55096011816839
-0.55096011816839 x 100 = -55.1%