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 -0.3
Sabers 126 Prowl 117 -0.2
+0.1
Saints 121 Galaxy 150 +0.1
Week of 6/10100.0*Chance in playoffs100.0*Average seed
Invasion 112 Crossover 99 +0.2
+0.0
Crossover 125 Invasion 151 In
+0.0
Week of 6/17None
Games Above .500
Chance Will Make Playoffs