40.39% is the change from 515 to 723
Calculation steps:
[( 723 - 515 ) ÷ 515] x 100 = 40.39%
Formula
Percentage change = [(723 - 515) / 515] x 100
Subtract the new number by the original number
723 - 515 = 208
208 ÷ 515 = 0.40388349514563104
0.40388349514563104 x 100 = 40.39%