66.36% is the change from 330 to 549
Calculation steps:
[( 549 - 330 ) ÷ 330] x 100 = 66.36%
Formula
Percentage change = [(549 - 330) / 330] x 100
Subtract the new number by the original number
549 - 330 = 219
219 ÷ 330 = 0.6636363636363637
0.6636363636363637 x 100 = 66.36%