17.65% is the change from 323 to 380
Calculation steps:
[( 380 - 323 ) ÷ 323] x 100 = 17.65%
Formula
Percentage change = [(380 - 323) / 323] x 100
Subtract the new number by the original number
380 - 323 = 57
57 ÷ 323 = 0.17647058823529413
0.17647058823529413 x 100 = 17.65%