How are these numbers calculated?

Big Games

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

Tuesday, 3/19100.0*Average seed
swe 4 chn 6 +0.4
chn 7 ger 5 +0.3
sco 9 lat 5 +0.0
rus 9 lat 7 +0.0
Wednesday, 3/20100.0*Average seed
chn 9 usa 5 +1.0
swe 9 jpn 4 +0.0
lat 3 chn 7 +0.6
rus 10 jpn 3 +0.1
ger 5 can 8 +0.1
ger 3 sui 7 +0.1
den 6 sco 8 +0.1
Thursday, 3/21100.0*Average seed
can 7 chn 4 -0.6
usa 4 sco 8 +0.2
lat 5 den 8 -0.1
jpn 4 can 8 -0.1
lat 8 sui 7 +0.1
ita 4 sco 8 +0.1
ita 4 swe 10 +0.0
swe 8 ger 6 +0.0
If winner is:HomeAway
chn vs jpn+0.8-1.0
sui vs den+0.4-0.3
rus vs usa+0.2-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
51-0Out21364313,108,667
40-1Out10011,312,797
Total:Out1119234624,421,464
Games Above .500
Chance Will Make Playoffs