68.27% is the change from 498 to 838
Calculation steps:
[( 838 - 498 ) ÷ 498] x 100 = 68.27%
Formula
Percentage change = [(838 - 498) / 498] x 100
Subtract the new number by the original number
838 - 498 = 340
340 ÷ 498 = 0.6827309236947792
0.6827309236947792 x 100 = 68.27%