50.5% is the change from 497 to 748
Calculation steps:
[( 748 - 497 ) ÷ 497] x 100 = 50.5%
Formula
Percentage change = [(748 - 497) / 497] x 100
Subtract the new number by the original number
748 - 497 = 251
251 ÷ 497 = 0.5050301810865191
0.5050301810865191 x 100 = 50.5%