How are these numbers calculated?

Big Games

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

Week of 5/25100.0*Chance in playoffs100.0*Average seed
Cobras 114 Express 119 +21.8
+0.9
Sea Dawgs 100 HoopForLyfe 107 -7.8
-0.1
Express 114 Players 131 -7.0
-0.3
Players 160 Cobras 111 +3.8
+0.1
Week of 6/1100.0*Chance in playoffs100.0*Average seed
Express 124 HoopForLyfe 125 Out
-0.8
Cobras 108 Invasion 111 +1.2
+0.1
Week of 6/8100.0*Chance in playoffs100.0*Average seed
Invasion 138 Cobras 100 +0.2
Cobras 113 Sea Dawgs 91 -0.1
Games Above .500
Chance Will Make Playoffs