10.53% is the change from 323 to 357
Calculation steps:
[( 357 - 323 ) ÷ 323] x 100 = 10.53%
Formula
Percentage change = [(357 - 323) / 323] x 100
Subtract the new number by the original number
357 - 323 = 34
34 ÷ 323 = 0.10526315789473684
0.10526315789473684 x 100 = 10.53%