68.18% is the change from 330 to 555
Calculation steps:
[( 555 - 330 ) ÷ 330] x 100 = 68.18%
Formula
Percentage change = [(555 - 330) / 330] x 100
Subtract the new number by the original number
555 - 330 = 225
225 ÷ 330 = 0.6818181818181818
0.6818181818181818 x 100 = 68.18%