705% is the change from 100 to 805
Calculation steps:
[( 805 - 100 ) ÷ 100] x 100 = 705%
Formula
Percentage change = [(805 - 100) / 100] x 100
Subtract the new number by the original number
805 - 100 = 705
705 ÷ 100 = 7.05
7.05 x 100 = 705%
Example