66.8% is the change from 497 to 829
Calculation steps:
[( 829 - 497 ) ÷ 497] x 100 = 66.8%
Formula
Percentage change = [(829 - 497) / 497] x 100
Subtract the new number by the original number
829 - 497 = 332
332 ÷ 497 = 0.6680080482897385
0.6680080482897385 x 100 = 66.8%