623.75% is the change from 80 to 579
Calculation steps:
[( 579 - 80 ) ÷ 80] x 100 = 623.75%
Formula
Percentage change = [(579 - 80) / 80] x 100
Subtract the new number by the original number
579 - 80 = 499
499 ÷ 80 = 6.2375
6.2375 x 100 = 623.75%
Example