625% is the change from 80 to 580
Calculation steps:
[( 580 - 80 ) ÷ 80] x 100 = 625%
Formula
Percentage change = [(580 - 80) / 80] x 100
Subtract the new number by the original number
580 - 80 = 500
500 ÷ 80 = 6.25
6.25 x 100 = 625%
Example