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
New York Knights 60.4 Denver Spurs 38 -18.7
-1.5
Charlestown Chi 33.4 Houston Aeros 37.6 -3.1
-0.1
Cleveland Crusa 37.8 Reagan's Whaler 52.8 -2.7
-0.1
Philadelphia Bl 55 Indianapolis Ra 27 +1.3
Toronto Toros 45.8 Cincinnati Stin 41.2 +1.2
Chicago Cougars 3.8 Quebec Nordiques 50.6 -1.0
Michigan Stags 29 Alberta Oilers 47.4 +0.1
Week of 3/2100.0*Chance in playoffs100.0*Average seed
Denver Spurs 34.4 Cleveland Crusa 51.6 -20.1
-1.1
Houston Aeros 54.4 New York Knights 44.4 -5.3
-0.1
Cincinnati Stin 47.8 Michigan Stags 37.2 -5.3
-0.1
Quebec Nordiques 54.6 Charlestown Chi 46 -2.8
-0.1
Indianapolis Ra 48.8 Winnipeg Jets 29 -1.7
-0.1
Reagan's Whaler 40.2 Chicago Cougars 42.4 -0.8
Phoenix Roadrun 19.6 Toronto Toros 60.6 -0.1
Alberta Oilers 25.4 Philadelphia Bl 44.4 -0.1
Week of 3/9100.0*Chance in playoffs100.0*Average seed
Denver Spurs 66.6 Cincinnati Stin 57 +17.1
+0.9
Reagan's Whaler 35.4 Alberta Oilers 48.6 +17.1
+0.2
Quebec Nordiques 58 Indianapolis Ra 36.8 +0.9
+0.3
Points
Chance Will Make Playoffs