560% is the change from 80 to 528
Calculation steps:
[( 528 - 80 ) ÷ 80] x 100 = 560%
Formula
Percentage change = [(528 - 80) / 80] x 100
Subtract the new number by the original number
528 - 80 = 448
448 ÷ 80 = 5.6
5.6 x 100 = 560%
Example