How are these numbers calculated?

Big Games

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

Week of 6/4100.0*Chance in playoffs100.0*Average seed
Sea Dawgs 81 Wildcats 99 +13.0
+0.5
Wildcats 109 Sea Dawgs 110 -4.7
-0.5
Sabers 65 Cougarz 60 +3.6
+0.0
Cougarz 121 All-Stars 111 +1.9
Gwizzlies 3 Sabers 4 -0.5
-0.0
Week of 6/11100.0*Chance in playoffs100.0*Average seed
Wildcats 101 Sea Dawgs 91 +3.2
+0.2
Cougarz 108 Sea Dawgs 97 -0.5
+0.1
Wildcats 114 All-Stars 104 In
+0.0
Sea Dawgs 126 Cougarz 94 -0.1
Week of 6/19100.0*Chance in playoffs100.0*Average seed
Sea Dawgs 101 Wildcats 89 -0.4
Games Above .500
Chance Will Make Playoffs