905% is the change from 80 to 804
Calculation steps:
[( 804 - 80 ) ÷ 80] x 100 = 905%
Formula
Percentage change = [(804 - 80) / 80] x 100
Subtract the new number by the original number
804 - 80 = 724
724 ÷ 80 = 9.05
9.05 x 100 = 905%
Example