21.33% is the change from 497 to 603
Calculation steps:
[( 603 - 497 ) ÷ 497] x 100 = 21.33%
Formula
Percentage change = [(603 - 497) / 497] x 100
Subtract the new number by the original number
603 - 497 = 106
106 ÷ 497 = 0.21327967806841047
0.21327967806841047 x 100 = 21.33%