508.89% is the change from 90 to 548
Calculation steps:
[( 548 - 90 ) ÷ 90] x 100 = 508.89%
Formula
Percentage change = [(548 - 90) / 90] x 100
Subtract the new number by the original number
548 - 90 = 458
458 ÷ 90 = 5.088888888888889
5.088888888888889 x 100 = 508.89%