34.21% is the change from 497 to 667
Calculation steps:
[( 667 - 497 ) ÷ 497] x 100 = 34.21%
Formula
Percentage change = [(667 - 497) / 497] x 100
Subtract the new number by the original number
667 - 497 = 170
170 ÷ 497 = 0.3420523138832998
0.3420523138832998 x 100 = 34.21%