813.75% is the change from 80 to 731
Calculation steps:
[( 731 - 80 ) ÷ 80] x 100 = 813.75%
Formula
Percentage change = [(731 - 80) / 80] x 100
Subtract the new number by the original number
731 - 80 = 651
651 ÷ 80 = 8.1375
8.1375 x 100 = 813.75%
Example