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 Out
-0.1
Cougarz 121 All-Stars 111 +1.1
+0.2
Gwizzlies 3 Sabers 4 +0.4
+0.1
Sabers 65 Cougarz 60 +0.2
Week of 6/11100.0*Chance in playoffs100.0*Average seed
Cougarz 108 Sea Dawgs 97 -0.4
Wildcats 114 All-Stars 104 +0.1
Wildcats 101 Sea Dawgs 91 -0.0
Week of 6/19None
Games Above .500
Chance Will Make Playoffs