51.83% is the change from 328 to 498
Calculation steps:
[( 498 - 328 ) ÷ 328] x 100 = 51.83%
Formula
Percentage change = [(498 - 328) / 328] x 100
Subtract the new number by the original number
498 - 328 = 170
170 ÷ 328 = 0.5182926829268293
0.5182926829268293 x 100 = 51.83%