45.83% is the change from 515 to 751
Calculation steps:
[( 751 - 515 ) ÷ 515] x 100 = 45.83%
Formula
Percentage change = [(751 - 515) / 515] x 100
Subtract the new number by the original number
751 - 515 = 236
236 ÷ 515 = 0.458252427184466
0.458252427184466 x 100 = 45.83%