22.73% is the change from 264 to 324
Calculation steps:
[( 324 - 264 ) ÷ 264] x 100 = 22.73%
Formula
Percentage change = [(324 - 264) / 264] x 100
Subtract the new number by the original number
324 - 264 = 60
60 ÷ 264 = 0.22727272727272727
0.22727272727272727 x 100 = 22.73%