How are these numbers calculated?

Big Games

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

Week of 6/3100.0*Chance in playoffs100.0*Average seed
Sabers 126 Prowl 117 -3.3
-0.1
Sabers 126 Prowl 117 -1.7
Bluewave 112 Flight 111 -1.7
Saints 121 Galaxy 150 +0.7
Sea Dawgs 102 Crossover 105 (ot)-0.7
Week of 6/10100.0*Chance in playoffs100.0*Average seed
Crossover 125 Invasion 151 In
+0.2
Sabers 144 Flight 115 -2.0
-0.2
Invasion 112 Crossover 99 +1.2
+0.2
Week of 6/17None
Games Above .500
Chance Will Make Playoffs