-99.23% is the change from 905 to 7
Calculation steps:
[( 7 - 905 ) ÷ 905] x 100 = -99.23%
Formula
Percentage change = [(7 - 905) / 905] x 100
Subtract the new number by the original number
7 - 905 = -898
-898 ÷ 905 = -0.9922651933701657
-0.9922651933701657 x 100 = -99.23%