501.25% is the change from 80 to 481
Calculation steps:
[( 481 - 80 ) ÷ 80] x 100 = 501.25%
Formula
Percentage change = [(481 - 80) / 80] x 100
Subtract the new number by the original number
481 - 80 = 401
401 ÷ 80 = 5.0125
5.0125 x 100 = 501.25%
Example