-11.6% is the change from 905 to 800
Calculation steps:
[( 800 - 905 ) ÷ 905] x 100 = -11.6%
Formula
Percentage change = [(800 - 905) / 905] x 100
Subtract the new number by the original number
800 - 905 = -105
-105 ÷ 905 = -0.11602209944751381
-0.11602209944751381 x 100 = -11.6%