555.56% is the change from 54 to 354
Calculation steps:
[( 354 - 54 ) ÷ 54] x 100 = 555.56%
Formula
Percentage change = [(354 - 54) / 54] x 100
Subtract the new number by the original number
354 - 54 = 300
300 ÷ 54 = 5.555555555555555
5.555555555555555 x 100 = 555.56%