43.42% is the change from 509 to 730
Calculation steps:
[( 730 - 509 ) ÷ 509] x 100 = 43.42%
Formula
Percentage change = [(730 - 509) / 509] x 100
Subtract the new number by the original number
730 - 509 = 221
221 ÷ 509 = 0.43418467583497056
0.43418467583497056 x 100 = 43.42%