498.18% is the change from 55 to 329
Calculation steps:
[( 329 - 55 ) ÷ 55] x 100 = 498.18%
Formula
Percentage change = [(329 - 55) / 55] x 100
Subtract the new number by the original number
329 - 55 = 274
274 ÷ 55 = 4.9818181818181815
4.9818181818181815 x 100 = 498.18%