How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 2/23100.0*Chance in playoffs100.0*Average seed
OSA 59 OTW 56 -8.0
-0.3
CHI 64 HFD 60 +5.1
+0.1
BRM 47 DET 32 -2.4
-0.1
MIN 55 MTL 51 +1.5
+0.1
ANA 42 ADK 61 -0.2
Week of 3/2100.0*Chance in playoffs100.0*Average seed
OTW 59 BRM 66 -27.8
-0.8
HFD 96 KEL 63 -9.3
-0.2
MTL 71 DET 36 -1.8
-0.1
ADK 57 VIC 36 -0.1
-0.0
If winner is:HomeTieAway
Week of 3/9100.0*Chance in playoffs100.0*Average seed
HFD vs OTWOutOut+51.5
-1.2-0.6+1.4
BRM vs VIC-0.7+2.8+2.8
-0.1+0.1+0.5
EDM vs MTL+1.3-0.6-0.6
+0.3-0.1-0.1
WPG vs ADK+0.2+0.2-0.2

What If

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

100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTL-OTTplayoffs123456789101112131415161718Count
241-00-0093.7%2470621,989,222
230-00-01Out188204,880,127
220-01-00Out4465021,983,615
Total:42.2%11316292248,852,964
Points
Chance Will Make Playoffs