69.62% is the change from 497 to 843
Calculation steps:
[( 843 - 497 ) ÷ 497] x 100 = 69.62%
Formula
Percentage change = [(843 - 497) / 497] x 100
Subtract the new number by the original number
843 - 497 = 346
346 ÷ 497 = 0.6961770623742455
0.6961770623742455 x 100 = 69.62%