402.75% is the change from 109 to 548
Calculation steps:
[( 548 - 109 ) ÷ 109] x 100 = 402.75%
Formula
Percentage change = [(548 - 109) / 109] x 100
Subtract the new number by the original number
548 - 109 = 439
439 ÷ 109 = 4.027522935779817
4.027522935779817 x 100 = 402.75%