593.75% is the change from 80 to 555
Calculation steps:
[( 555 - 80 ) ÷ 80] x 100 = 593.75%
Formula
Percentage change = [(555 - 80) / 80] x 100
Subtract the new number by the original number
555 - 80 = 475
475 ÷ 80 = 5.9375
5.9375 x 100 = 593.75%
Example