338.18% is the change from 55 to 241
Calculation steps:
[( 241 - 55 ) ÷ 55] x 100 = 338.18%
Formula
Percentage change = [(241 - 55) / 55] x 100
Subtract the new number by the original number
241 - 55 = 186
186 ÷ 55 = 3.381818181818182
3.381818181818182 x 100 = 338.18%