611.25% is the change from 80 to 569
Calculation steps:
[( 569 - 80 ) ÷ 80] x 100 = 611.25%
Formula
Percentage change = [(569 - 80) / 80] x 100
Subtract the new number by the original number
569 - 80 = 489
489 ÷ 80 = 6.1125
6.1125 x 100 = 611.25%
Example