10.74% is the change from 270 to 299
Calculation steps:
[( 299 - 270 ) ÷ 270] x 100 = 10.74%
Formula
Percentage change = [(299 - 270) / 270] x 100
Subtract the new number by the original number
299 - 270 = 29
29 ÷ 270 = 0.10740740740740741
0.10740740740740741 x 100 = 10.74%