14.76% is the change from 271 to 311
Calculation steps:
[( 311 - 271 ) ÷ 271] x 100 = 14.76%
Formula
Percentage change = [(311 - 271) / 271] x 100
Subtract the new number by the original number
311 - 271 = 40
40 ÷ 271 = 0.14760147601476015
0.14760147601476015 x 100 = 14.76%