31.56% is the change from 244 to 321
Calculation steps:
[( 321 - 244 ) ÷ 244] x 100 = 31.56%
Formula
Percentage change = [(321 - 244) / 244] x 100
Subtract the new number by the original number
321 - 244 = 77
77 ÷ 244 = 0.3155737704918033
0.3155737704918033 x 100 = 31.56%