50.3% is the change from 497 to 747
Calculation steps:
[( 747 - 497 ) ÷ 497] x 100 = 50.3%
Formula
Percentage change = [(747 - 497) / 497] x 100
Subtract the new number by the original number
747 - 497 = 250
250 ÷ 497 = 0.5030181086519114
0.5030181086519114 x 100 = 50.3%