63.78% is the change from 497 to 814
Calculation steps:
[( 814 - 497 ) ÷ 497] x 100 = 63.78%
Formula
Percentage change = [(814 - 497) / 497] x 100
Subtract the new number by the original number
814 - 497 = 317
317 ÷ 497 = 0.6378269617706237
0.6378269617706237 x 100 = 63.78%