45.44% is the change from 515 to 749
Calculation steps:
[( 749 - 515 ) ÷ 515] x 100 = 45.44%
Formula
Percentage change = [(749 - 515) / 515] x 100
Subtract the new number by the original number
749 - 515 = 234
234 ÷ 515 = 0.45436893203883494
0.45436893203883494 x 100 = 45.44%