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
Rose 8 Mermen 11 +7.2
+0.3
Mermen 14 Heros 9 +3.0
+0.3
Regulators 11 Cucumbers 14 -1.1
Cucumbers 12 Rose 15 +0.6
Heros 17 Sandbox 5 -0.3
Sandbox 1 Soldados 16 +0.0
If winner is:HomeHome OTHome SOAway SOAway OTAway
Wednesday, 6/27100.0*Chance in playoffs100.0*Average seed
Mermen vs Regulators+13.8+13.7+13.7-6.8-6.8-6.8
+0.3+0.3+0.3-0.2-0.1-0.2
Sandbox vs Mermen-9.4-9.3-9.3+2.3+2.4+2.4
-0.3-0.3-0.3+0.1+0.1+0.1
Cucumbers vs Sandbox-1.4-1.4-1.4+8.1+8.1+8.1
-0.0-0.0-0.0+0.1+0.1+0.1
Soldados vs Cucumbers+1.8+1.8+1.8-6.0-5.9-5.9
+0.0+0.0+0.0-0.1-0.1-0.1
Heros vs Soldados-2.1-2.1-2.1+0.5+0.4+0.5
-0.2-0.1-0.1+0.0+0.0+0.0
Rose vs Heros+0.5+0.4+0.4-1.4-1.3-1.3
+0.0+0.0+0.0-0.1-0.1-0.1
Regulators vs Rose-0.8-0.8-0.8+0.5+0.5+0.6

What If

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

100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567Count
118-0In86032034,881
107-199.9%01772100329,076
96-293.114448701,914,453
85-356.007494315,855,859
74-414.60147511010,100,809
63-51.101594009,892,192
52-60.00237705,182,446
41-7Out39521,266,995
30-8Out7129125,923
Total:20.2%004165030034,702,634
Games Above .500
Chance Will Make Playoffs