-9.83% is the change from 905 to 816
Calculation steps:
[( 816 - 905 ) ÷ 905] x 100 = -9.83%
Formula
Percentage change = [(816 - 905) / 905] x 100
Subtract the new number by the original number
816 - 905 = -89
-89 ÷ 905 = -0.09834254143646409
-0.09834254143646409 x 100 = -9.83%