460% is the change from 90 to 504
Calculation steps:
[( 504 - 90 ) ÷ 90] x 100 = 460%
Formula
Percentage change = [(504 - 90) / 90] x 100
Subtract the new number by the original number
504 - 90 = 414
414 ÷ 90 = 4.6
4.6 x 100 = 460%
Example