-33.19% is the change from 455 to 304
Calculation steps:
[( 304 - 455 ) ÷ 455] x 100 = -33.19%
Formula
Percentage change = [(304 - 455) / 455] x 100
Subtract the new number by the original number
304 - 455 = -151
-151 ÷ 455 = -0.33186813186813185
-0.33186813186813185 x 100 = -33.19%