How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Sunday, 5/26100.0*Chance in playoffs100.0*Average seed
Aiur Storms 3 Mar Sara Threat 8 +4.3
+0.2
Redstone Reapers 3 New Gettysburg 2 -1.4
Sunday, 6/2100.0*Chance in playoffs100.0*Average seed
Mar Sara Threat 8 Tarsonis City T 3 +1.9
+0.3
Korhal War Pigs 3 Mar Sara Threat 0 Out
-0.1
Redstone Reapers 4 Shakuras Inquis 1 Out
Tarsonis City T 3 Redstone Reapers 8 Out
Shakuras Inquis 2 Aiur Storms 6 -0.4
-0.2
Aiur Storms 4 Char Meleons 3 -0.3
-0.2
Points
Chance Will Make Playoffs