38.06% is the change from 289 to 399
Calculation steps:
[( 399 - 289 ) ÷ 289] x 100 = 38.06%
Formula
Percentage change = [(399 - 289) / 289] x 100
Subtract the new number by the original number
399 - 289 = 110
110 ÷ 289 = 0.3806228373702422
0.3806228373702422 x 100 = 38.06%