-45.23% is the change from 555 to 304
Calculation steps:
[( 304 - 555 ) ÷ 555] x 100 = -45.23%
Formula
Percentage change = [(304 - 555) / 555] x 100
Subtract the new number by the original number
304 - 555 = -251
-251 ÷ 555 = -0.45225225225225224
-0.45225225225225224 x 100 = -45.23%