-4.73% is the change from 845 to 805
Calculation steps:
[( 805 - 845 ) ÷ 845] x 100 = -4.73%
Formula
Percentage change = [(805 - 845) / 845] x 100
Subtract the new number by the original number
805 - 845 = -40
-40 ÷ 845 = -0.047337278106508875
-0.047337278106508875 x 100 = -4.73%