506.25% is the change from 80 to 485
Calculation steps:
[( 485 - 80 ) ÷ 80] x 100 = 506.25%
Formula
Percentage change = [(485 - 80) / 80] x 100
Subtract the new number by the original number
485 - 80 = 405
405 ÷ 80 = 5.0625
5.0625 x 100 = 506.25%
Example