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 -26.9
-0.5
Redstone Reapers 3 New Gettysburg 2 -15.3
-0.1
Shakuras Inquis 3 Korhal War Pigs 4 +0.4
+0.0
Char Meleons 11 Tarsonis City T 0 -0.3
Sunday, 6/2100.0*Chance in playoffs100.0*Average seed
Shakuras Inquis 2 Aiur Storms 6 +30.2
+0.7
Aiur Storms 4 Char Meleons 3 +27.5
+0.6
Tarsonis City T 3 Redstone Reapers 8 -12.9
-0.2
Redstone Reapers 4 Shakuras Inquis 1 -12.1
-0.1
Mar Sara Threat 8 Tarsonis City T 3 -1.2
-0.3
Korhal War Pigs 3 Mar Sara Threat 0 +0.6
+0.1
New Gettysburg 3 Korhal War Pigs 7 +0.1
Char Meleons 4 New Gettysburg 3 (ot)+0.1
Points
Chance Will Make Playoffs