42.91% is the change from 515 to 736
Calculation steps:
[( 736 - 515 ) ÷ 515] x 100 = 42.91%
Formula
Percentage change = [(736 - 515) / 515] x 100
Subtract the new number by the original number
736 - 515 = 221
221 ÷ 515 = 0.429126213592233
0.429126213592233 x 100 = 42.91%