24.92% is the change from 321 to 401
Calculation steps:
[( 401 - 321 ) ÷ 321] x 100 = 24.92%
Formula
Percentage change = [(401 - 321) / 321] x 100
Subtract the new number by the original number
401 - 321 = 80
80 ÷ 321 = 0.24922118380062305
0.24922118380062305 x 100 = 24.92%