How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Sunday100.0*Chance in playoffs100.0*Div1100.0*Average seed
Trångsund 7 Nacka 9 +3.8
+1.9
-0.2
Nyköping 1 Sollentuna 1 +2.5
+1.3
+0.2
Järfälla 5 Boo 0 -0.1
TuesdayNone
Thursday100.0*Chance in playoffs100.0*Div1100.0*Average seed
Sollentuna 9 Hammarby 1 +0.3
Nacka 2 Nyköping 3 +0.2
Österåker 4 Spånga 5 -0.1
Points
Chance Will Make Playoffs