How are these numbers calculated?

Big Games

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

Sunday, 4/7100.0*Chance in playoffs100.0*Average seed
New Gettysburg 0 Mar Sara Threat 3 -10.7
-0.7
Aiur Storms 2 New Gettysburg 3 +10.0
+0.7
Mar Sara Threat 4 Redstone Reapers 5 (ot)+0.1
Korhal War Pigs 8 Tarsonis City T 2 -0.1
Redstone Reapers 3 Aiur Storms 2 (ot)-0.1
Shakuras Inquis 7 Char Meleons 2 -0.1
Tarsonis City T 2 Shakuras Inquis 1 (ot)-0.1
If winner is:HomeAway
Char Meleons vs Korhal War Pigs-0.4+0.4
Sunday, 4/14100.0*Chance in playoffs100.0*Average seed
Char Meleons 4 Mar Sara Threat 1 -0.9
Redstone Reapers 2 Char Meleons 5 +0.4
If winner is:HomeAway
New Gettysburg vs Tarsonis City T+6.4-12.1
+0.4-0.7
Shakuras Inquis vs New Gettysburg-6.2+9.4
-0.4+0.7
Aiur Storms vs Korhal War Pigs-2.0+1.1
Mar Sara Threat vs Shakuras Inquis-0.2+0.4
Tarsonis City T vs Aiur Storms+0.1-0.2

What If

Chances based on how well the New Gettysburg finish out the regular season.   Explain

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTL-OTplayoffs12345678Count
3912-00-0In1008,236
3611-01-0In98234,627
3310-02-0In85150221,174
309-03-0In544320837,107
278-04-0In176022102,081,742
247-05-0In1225224203,580,529
216-06-099.9%0114537604,364,627
185-07-080.90328491813,804,267
154-08-020.0011953272,347,974
123-09-01.10126731,004,525
92-010-00.00595281,708
61-011-0Out010046,803
30-012-0Out1009,289
Total:78.8%6131516151412918,622,608
Points
Chance Will Make Playoffs