718.75% is the change from 80 to 655
Calculation steps:
[( 655 - 80 ) ÷ 80] x 100 = 718.75%
Formula
Percentage change = [(655 - 80) / 80] x 100
Subtract the new number by the original number
655 - 80 = 575
575 ÷ 80 = 7.1875
7.1875 x 100 = 718.75%
Example