10.8% is the change from 250 to 277
Calculation steps:
[( 277 - 250 ) ÷ 250] x 100 = 10.8%
Formula
Percentage change = [(277 - 250) / 250] x 100
Subtract the new number by the original number
277 - 250 = 27
27 ÷ 250 = 0.108
0.108 x 100 = 10.8%
Example