916.25% is the change from 80 to 813
Calculation steps:
[( 813 - 80 ) ÷ 80] x 100 = 916.25%
Formula
Percentage change = [(813 - 80) / 80] x 100
Subtract the new number by the original number
813 - 80 = 733
733 ÷ 80 = 9.1625
9.1625 x 100 = 916.25%
Example