32.53% is the change from 498 to 660
Calculation steps:
[( 660 - 498 ) ÷ 498] x 100 = 32.53%
Formula
Percentage change = [(660 - 498) / 498] x 100
Subtract the new number by the original number
660 - 498 = 162
162 ÷ 498 = 0.3253012048192771
0.3253012048192771 x 100 = 32.53%