48.29% is the change from 321 to 476
Calculation steps:
[( 476 - 321 ) ÷ 321] x 100 = 48.29%
Formula
Percentage change = [(476 - 321) / 321] x 100
Subtract the new number by the original number
476 - 321 = 155
155 ÷ 321 = 0.48286604361370716
0.48286604361370716 x 100 = 48.29%