556.25% is the change from 80 to 525
Calculation steps:
[( 525 - 80 ) ÷ 80] x 100 = 556.25%
Formula
Percentage change = [(525 - 80) / 80] x 100
Subtract the new number by the original number
525 - 80 = 445
445 ÷ 80 = 5.5625
5.5625 x 100 = 556.25%
Example