685% is the change from 80 to 628
Calculation steps:
[( 628 - 80 ) ÷ 80] x 100 = 685%
Formula
Percentage change = [(628 - 80) / 80] x 100
Subtract the new number by the original number
628 - 80 = 548
548 ÷ 80 = 6.85
6.85 x 100 = 685%
Example