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*Chance in playoffs100.0*Average seed
Winnipeg Jets 31.8 Phoenix Roadrun 63 Out
-0.7
Cleveland Crusa 37.8 Reagan's Whaler 52.8 -0.1
+0.1
Philadelphia Bl 55 Indianapolis Ra 27 +0.1
+0.1
Chicago Cougars 3.8 Quebec Nordiques 50.6 -0.1
Charlestown Chi 33.4 Houston Aeros 37.6 -0.1
Toronto Toros 45.8 Cincinnati Stin 41.2 +0.1
New York Knights 60.4 Denver Spurs 38 +0.1
Michigan Stags 29 Alberta Oilers 47.4 -0.1
Week of 3/2100.0*Chance in playoffs100.0*Average seed
Indianapolis Ra 48.8 Winnipeg Jets 29 -0.6
Phoenix Roadrun 19.6 Toronto Toros 60.6 +0.2
Denver Spurs 34.4 Cleveland Crusa 51.6 -0.2
Alberta Oilers 25.4 Philadelphia Bl 44.4 +0.1
Week of 3/9100.0*Chance in playoffs100.0*Average seed
Charlestown Chi 44.6 Winnipeg Jets 30 -0.7
Reagan's Whaler 35.4 Alberta Oilers 48.6 -0.2
Houston Aeros 38.4 Phoenix Roadrun 39 -0.2
Cleveland Crusa 41.2 Michigan Stags 52.8 +0.2
Points
Chance Will Make Playoffs