How are these numbers calculated?

Big Games

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

Friday100.0*Chance in playoffs100.0*Average seed
Worcester 2 Rockland 12 -3.5
-0.1
Gary 20 Newark 11 +0.4
If winner is:HomeAway
Saturday100.0*Chance in playoffs100.0*Average seed
Worcester vs Rockland+3.4-3.4
+0.1-0.1
Gary vs Newark+0.4-0.4
Quebec vs New Jersey-0.1+0.1

What If

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

100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213Count
64-87In100679*
6356-24In1000372
6255-25In991836
6154-26In9911,843
6053-2799.9%97203,652
5952-2899.896306,835
5851-2999.89450012,090
5750-3099.890100020,484
5649-3199.583170033,305
5548-3298.972271050,870
5447-3397.359393073,676
5346-3493.0425170102,379
5245-3583.52658160134,604
5144-3667.81255302167,872
5043-3746.44424760199,263
4942-3819.401956241225,770
4841-395.20543456244,839
4740-401.501275616249,022
4639-410.30145630242,471
4538-420.1064747225,881
4437-430.0023563199,427
4336-440.0012476167,665
4235-450.0001585134,238
4134-460.000891102,360
4033-470.00059574,170
3932-480.00029850,921
3831-49Out019933,220
3730-50Out019920,692
3629-51Out0010012,156
3528-52Out01006,770
3427-53Out01003,571
3326-54Out01001,756
7-32Out1001,883*
Total:24.1%9151925322,805,572

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs