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 +20.3
+0.2
Redstone Reapers 3 New Gettysburg 2 +19.8
+0.4
Shakuras Inquis 3 Korhal War Pigs 4 +1.7
+0.0
Char Meleons 11 Tarsonis City T 0 +0.5
+0.0
Sunday, 6/2100.0*Chance in playoffs100.0*Average seed
Redstone Reapers 4 Shakuras Inquis 1 In
+0.6
Shakuras Inquis 2 Aiur Storms 6 -17.1
+0.1
Aiur Storms 4 Char Meleons 3 -16.8
-0.2
Tarsonis City T 3 Redstone Reapers 8 +14.9
+1.2
Korhal War Pigs 3 Mar Sara Threat 0 +0.8
+0.0
Mar Sara Threat 8 Tarsonis City T 3 -0.3
+0.1
Char Meleons 4 New Gettysburg 3 (ot)+0.0
New Gettysburg 3 Korhal War Pigs 7 +0.0
Points
Chance Will Make Playoffs