452.73% is the change from 55 to 304
Calculation steps:
[( 304 - 55 ) ÷ 55] x 100 = 452.73%
Formula
Percentage change = [(304 - 55) / 55] x 100
Subtract the new number by the original number
304 - 55 = 249
249 ÷ 55 = 4.527272727272727
4.527272727272727 x 100 = 452.73%