553.7% is the change from 54 to 353
Calculation steps:
[( 353 - 54 ) ÷ 54] x 100 = 553.7%
Formula
Percentage change = [(353 - 54) / 54] x 100
Subtract the new number by the original number
353 - 54 = 299
299 ÷ 54 = 5.537037037037037
5.537037037037037 x 100 = 553.7%