How are these numbers calculated?

Big Games

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

Week of 3/7100.0*Chance in playoffs100.0*Average seed
Coyotes 118.6 Golden Seals 142.8 -0.1
+0.2
Islanders 139.1 Bruins 122.7 In
+0.8
Maple Leafs 193.9 Whalers 120.5 -0.1
-0.1
Canucks 117.3 Ducks 166.6 -0.1
Flyers 138.6 Senators 103.1 -0.1
Week of 3/14100.0*Chance in playoffs100.0*Average seed
Golden Seals 76.5 Islanders 101.9 +0.3
Blackhawks 87.1 Coyotes 123.5 -0.3
Maple Leafs 92 Rangers 115.4 -0.1
Devils 122.4 Bruins 112.1 +0.1
Games Above .500
Chance Will Make Playoffs