11.34% is the change from 291 to 324
Calculation steps:
[( 324 - 291 ) ÷ 291] x 100 = 11.34%
Formula
Percentage change = [(324 - 291) / 291] x 100
Subtract the new number by the original number
324 - 291 = 33
33 ÷ 291 = 0.1134020618556701
0.1134020618556701 x 100 = 11.34%