34.34% is the change from 498 to 669
Calculation steps:
[( 669 - 498 ) ÷ 498] x 100 = 34.34%
Formula
Percentage change = [(669 - 498) / 498] x 100
Subtract the new number by the original number
669 - 498 = 171
171 ÷ 498 = 0.3433734939759036
0.3433734939759036 x 100 = 34.34%