How are these numbers calculated?

Big Games

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

Wednesday, 6/20100.0*Chance in playoffs100.0*Average seed
Heros 17 Sandbox 5 -4.1
-0.3
Sandbox 1 Soldados 16 -3.3
-0.2
Cucumbers 12 Rose 15 +0.7
Regulators 11 Cucumbers 14 -0.6
Soldados 14 Regulators 2 -0.2
Mermen 14 Heros 9 +0.2
Rose 8 Mermen 11 -0.1
-0.0
If winner is:HomeHome OTHome SOAway SOAway OTAway
Wednesday, 6/27100.0*Chance in playoffs100.0*Average seed
Cucumbers vs Sandbox-1.0-1.0-1.0+0.9+0.9+1.0
-0.1-0.1-0.1+0.1+0.1+0.1
Sandbox vs Mermen+1.0+0.9+0.9-0.9-0.9-0.9
+0.2+0.1+0.1-0.1-0.1-0.1
Heros vs Soldados-0.2-0.2-0.2+0.3+0.2+0.2
Rose vs Heros+0.2+0.2+0.2-0.2-0.2-0.2
Soldados vs Cucumbers+0.2+0.2+0.2-0.2-0.2-0.2
Regulators vs Rose-0.1-0.1-0.1+0.1+0.1+0.1

What If

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

100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567Count
88-083.1%03344616146,835
77-119.9011854242342,040
66-20.6012051291,193,811
55-30.00125732,388,620
44-4Out05952,983,222
33-5Out01002,388,209
0-2Out1001,581,611*
Total:1.0%00014138210,924,348

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs