728.75% is the change from 80 to 663
Calculation steps:
[( 663 - 80 ) ÷ 80] x 100 = 728.75%
Formula
Percentage change = [(663 - 80) / 80] x 100
Subtract the new number by the original number
663 - 80 = 583
583 ÷ 80 = 7.2875
7.2875 x 100 = 728.75%
Example