How are these numbers calculated?

Big Games

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

Week of 2/23100.0*Average seed
Winnipeg Jets 31.8 Phoenix Roadrun 63 +0.6
Cleveland Crusa 37.8 Reagan's Whaler 52.8 +0.1
Michigan Stags 29 Alberta Oilers 47.4 -0.1
Week of 3/2100.0*Average seed
Phoenix Roadrun 19.6 Toronto Toros 60.6 -0.6
Denver Spurs 34.4 Cleveland Crusa 51.6 -0.2
Indianapolis Ra 48.8 Winnipeg Jets 29 +0.1
Alberta Oilers 25.4 Philadelphia Bl 44.4 +0.1
Week of 3/9100.0*Average seed
Houston Aeros 38.4 Phoenix Roadrun 39 +0.7
Charlestown Chi 44.6 Winnipeg Jets 30 +0.3
Reagan's Whaler 35.4 Alberta Oilers 48.6 -0.2
Cleveland Crusa 41.2 Michigan Stags 52.8 +0.2
Points
Chance Will Make Playoffs