217.39% is the change from 230 to 730
Calculation steps:
[( 730 - 230 ) ÷ 230] x 100 = 217.39%
Formula
Percentage change = [(730 - 230) / 230] x 100
Subtract the new number by the original number
730 - 230 = 500
500 ÷ 230 = 2.1739130434782608
2.1739130434782608 x 100 = 217.39%