30.8% is the change from 250 to 327
Calculation steps:
[( 327 - 250 ) ÷ 250] x 100 = 30.8%
Formula
Percentage change = [(327 - 250) / 250] x 100
Subtract the new number by the original number
327 - 250 = 77
77 ÷ 250 = 0.308
0.308 x 100 = 30.8%
Example