239.53% is the change from 215 to 730
Calculation steps:
[( 730 - 215 ) ÷ 215] x 100 = 239.53%
Formula
Percentage change = [(730 - 215) / 215] x 100
Subtract the new number by the original number
730 - 215 = 515
515 ÷ 215 = 2.395348837209302
2.395348837209302 x 100 = 239.53%