3.09% is the change from 291 to 300
Calculation steps:
[( 300 - 291 ) ÷ 291] x 100 = 3.09%
Formula
Percentage change = [(300 - 291) / 291] x 100
Subtract the new number by the original number
300 - 291 = 9
9 ÷ 291 = 0.030927835051546393
0.030927835051546393 x 100 = 3.09%