50.7% is the change from 497 to 749
Calculation steps:
[( 749 - 497 ) ÷ 497] x 100 = 50.7%
Formula
Percentage change = [(749 - 497) / 497] x 100
Subtract the new number by the original number
749 - 497 = 252
252 ÷ 497 = 0.5070422535211268
0.5070422535211268 x 100 = 50.7%