69.42% is the change from 497 to 842
Calculation steps:
[( 842 - 497 ) ÷ 497] x 100 = 69.42%
Formula
Percentage change = [(842 - 497) / 497] x 100
Subtract the new number by the original number
842 - 497 = 345
345 ÷ 497 = 0.6941649899396378
0.6941649899396378 x 100 = 69.42%