40.81% is the change from 321 to 452
Calculation steps:
[( 452 - 321 ) ÷ 321] x 100 = 40.81%
Formula
Percentage change = [(452 - 321) / 321] x 100
Subtract the new number by the original number
452 - 321 = 131
131 ÷ 321 = 0.40809968847352024
0.40809968847352024 x 100 = 40.81%