How are these numbers calculated?

Big Games

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

Week of 2/7100.0*Average seed
Trails West White 1 Crowfoot 4 +1.1
Trails West Red 3 Bow Valley 0 -0.1
Springbank 4 Blackfoot 0 -0.1
Simons Valley 3 Northwest 6 -0.1
Blackfoot 0 Trails West White 4 -0.1
McKnight 0 Glenlake 4 -0.1
Bow River 5 Southwest 3 +0.1
Week of 2/13100.0*Average seed
Crowfoot 4 Springbank 3 +1.0
Simons Valley 2 Crowfoot 8 +0.7
Glenlake 11 Simons Valley 1 -0.2
McKnight 1 Trails West Red 6 -0.1
Trails West Red 1 Bow River 2 +0.1
Southwest 4 Blackfoot 1 -0.1
Knights Grey 2 Southwest 5 -0.1
Trails West White 7 McKnight 5 -0.1
Northwest 3 Southwest 4 -0.1
Springbank 3 Glenlake 4 -0.0
Knights White 7 Northwest 0 +0.0
Knights White 2 Blackfoot 2 +0.0
Week of 2/20100.0*Average seed
Crowfoot 2 Knights White 0 +0.9
Southwest 3 Crowfoot 1 -0.5
Knights White 4 Glenlake 1 +0.3
Games Above .500
Chance Will Make Playoffs