17.31% is the change from 468 to 549
Calculation steps:
[( 549 - 468 ) ÷ 468] x 100 = 17.31%
Formula
Percentage change = [(549 - 468) / 468] x 100
Subtract the new number by the original number
549 - 468 = 81
81 ÷ 468 = 0.17307692307692307
0.17307692307692307 x 100 = 17.31%