53.25% is the change from 323 to 495
Calculation steps:
[( 495 - 323 ) ÷ 323] x 100 = 53.25%
Formula
Percentage change = [(495 - 323) / 323] x 100
Subtract the new number by the original number
495 - 323 = 172
172 ÷ 323 = 0.5325077399380805
0.5325077399380805 x 100 = 53.25%