-6.63% is the change from 905 to 845
Calculation steps:
[( 845 - 905 ) ÷ 905] x 100 = -6.63%
Formula
Percentage change = [(845 - 905) / 905] x 100
Subtract the new number by the original number
845 - 905 = -60
-60 ÷ 905 = -0.06629834254143646
-0.06629834254143646 x 100 = -6.63%