54.88% is the change from 328 to 508
Calculation steps:
[( 508 - 328 ) ÷ 328] x 100 = 54.88%
Formula
Percentage change = [(508 - 328) / 328] x 100
Subtract the new number by the original number
508 - 328 = 180
180 ÷ 328 = 0.5487804878048781
0.5487804878048781 x 100 = 54.88%