420% is the change from 90 to 468
Calculation steps:
[( 468 - 90 ) ÷ 90] x 100 = 420%
Formula
Percentage change = [(468 - 90) / 90] x 100
Subtract the new number by the original number
468 - 90 = 378
378 ÷ 90 = 4.2
4.2 x 100 = 420%
Example