607.5% is the change from 80 to 566
Calculation steps:
[( 566 - 80 ) ÷ 80] x 100 = 607.5%
Formula
Percentage change = [(566 - 80) / 80] x 100
Subtract the new number by the original number
566 - 80 = 486
486 ÷ 80 = 6.075
6.075 x 100 = 607.5%
Example