How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 2/11100.0*Chance in playoffs100.0*Average seed
SWHA 7 Sturgeon 2 -0.6
-0.1
Springfield 7 Seven Oaks Blac 2 -0.5
+0.1
Sturgeon 1 Kirkfield 10 -0.1
River East Whit 9 Seven Oaks Blac 2 +0.0
Week of 2/18100.0*Chance in playoffs100.0*Average seed
Seven Oaks Blac 2 Lord Selkirk 7 +0.1
Week of 2/25100.0*Chance in playoffs100.0*Average seed
Dakota B 5 Sturgeon 0 -0.3
Points
Chance Will Make Playoffs