24.75% is the change from 497 to 620
Calculation steps:
[( 620 - 497 ) ÷ 497] x 100 = 24.75%
Formula
Percentage change = [(620 - 497) / 497] x 100
Subtract the new number by the original number
620 - 497 = 123
123 ÷ 497 = 0.24748490945674045
0.24748490945674045 x 100 = 24.75%