30.58% is the change from 497 to 649
Calculation steps:
[( 649 - 497 ) ÷ 497] x 100 = 30.58%
Formula
Percentage change = [(649 - 497) / 497] x 100
Subtract the new number by the original number
649 - 497 = 152
152 ÷ 497 = 0.3058350100603622
0.3058350100603622 x 100 = 30.58%