34.6% is the change from 289 to 389
Calculation steps:
[( 389 - 289 ) ÷ 289] x 100 = 34.6%
Formula
Percentage change = [(389 - 289) / 289] x 100
Subtract the new number by the original number
389 - 289 = 100
100 ÷ 289 = 0.3460207612456747
0.3460207612456747 x 100 = 34.6%