54.52% is the change from 321 to 496
Calculation steps:
[( 496 - 321 ) ÷ 321] x 100 = 54.52%
Formula
Percentage change = [(496 - 321) / 321] x 100
Subtract the new number by the original number
496 - 321 = 175
175 ÷ 321 = 0.5451713395638629
0.5451713395638629 x 100 = 54.52%