15.6% is the change from 250 to 289
Calculation steps:
[( 289 - 250 ) ÷ 250] x 100 = 15.6%
Formula
Percentage change = [(289 - 250) / 250] x 100
Subtract the new number by the original number
289 - 250 = 39
39 ÷ 250 = 0.156
0.156 x 100 = 15.6%
Example