32.73% is the change from 498 to 661
Calculation steps:
[( 661 - 498 ) ÷ 498] x 100 = 32.73%
Formula
Percentage change = [(661 - 498) / 498] x 100
Subtract the new number by the original number
661 - 498 = 163
163 ÷ 498 = 0.3273092369477912
0.3273092369477912 x 100 = 32.73%