4.07% is the change from 270 to 281
Calculation steps:
[( 281 - 270 ) ÷ 270] x 100 = 4.07%
Formula
Percentage change = [(281 - 270) / 270] x 100
Subtract the new number by the original number
281 - 270 = 11
11 ÷ 270 = 0.040740740740740744
0.040740740740740744 x 100 = 4.07%