335.71% is the change from 126 to 549
Calculation steps:
[( 549 - 126 ) ÷ 126] x 100 = 335.71%
Formula
Percentage change = [(549 - 126) / 126] x 100
Subtract the new number by the original number
549 - 126 = 423
423 ÷ 126 = 3.357142857142857
3.357142857142857 x 100 = 335.71%