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
Big Texas 128 Nighthawks 114 +12.5
+0.3
Week of 6/1100.0*Chance in playoffs100.0*Average seed
Crossover 138 Big Texas 162 In
+0.5
Sea Dawgs 128 Big Texas 130 +12.5
+0.3
Week of 6/8None
Games Above .500
Chance Will Make Playoffs