17.59% is the change from 324 to 381
Calculation steps:
[( 381 - 324 ) ÷ 324] x 100 = 17.59%
Formula
Percentage change = [(381 - 324) / 324] x 100
Subtract the new number by the original number
381 - 324 = 57
57 ÷ 324 = 0.17592592592592593
0.17592592592592593 x 100 = 17.59%