399.09% is the change from 110 to 549
Calculation steps:
[( 549 - 110 ) ÷ 110] x 100 = 399.09%
Formula
Percentage change = [(549 - 110) / 110] x 100
Subtract the new number by the original number
549 - 110 = 439
439 ÷ 110 = 3.9909090909090907
3.9909090909090907 x 100 = 399.09%