63.38% is the change from 497 to 812
Calculation steps:
[( 812 - 497 ) ÷ 497] x 100 = 63.38%
Formula
Percentage change = [(812 - 497) / 497] x 100
Subtract the new number by the original number
812 - 497 = 315
315 ÷ 497 = 0.6338028169014085
0.6338028169014085 x 100 = 63.38%