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
WL C6 1 OK B6 9 -18.8
-0.8
OK B6 1 NL C6 3 -5.3
-0.1
SSE B6 2 NL A6 5 +2.1
+0.1
WL B6 3 NL A6 1 -1.6
-0.1
NL A6 0 NL C6 3 -0.1
Week of 3/14100.0*Chance in playoffs100.0*Average seed
OK B6 4 WL C6 3 -12.5
-0.4
Week of 3/21100.0*Chance in playoffs100.0*Average seed
WL B6 1 SSE B6 2 Out
-0.5
SSE B6 1 WL C6 2 +25.0
+0.3
Games Above .500
Chance Will Make Playoffs