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*Average seed
River East Grey 4 Transcona 1 +0.3
FG Black 1 Dakota B 6 +0.1
St. Boniface Re 6 River East Blac 2 +0.1
FG White 8 A West 2 -0.0
River East Whit 9 Seven Oaks Blac 2 -0.0
Week of 2/18100.0*Average seed
River East Grey 5 Seven Oaks Whit 4 +1.3
FG White 1 FG Red 3 +0.4
Norberry G 2 C4 Explorers 3 -0.1
Seven Oaks Whit 4 Transcona 0 -0.0
Springfield 1 River East Whit 4 -0.0
Week of 2/25None
Points
Chance Will Make Playoffs