-45.32% is the change from 556 to 304
Calculation steps:
[( 304 - 556 ) ÷ 556] x 100 = -45.32%
Formula
Percentage change = [(304 - 556) / 556] x 100
Subtract the new number by the original number
304 - 556 = -252
-252 ÷ 556 = -0.45323741007194246
-0.45323741007194246 x 100 = -45.32%