68.61% is the change from 497 to 838
Calculation steps:
[( 838 - 497 ) ÷ 497] x 100 = 68.61%
Formula
Percentage change = [(838 - 497) / 497] x 100
Subtract the new number by the original number
838 - 497 = 341
341 ÷ 497 = 0.6861167002012073
0.6861167002012073 x 100 = 68.61%