How are these numbers calculated? (show)

Points Above 12th  (Full Screen)
Chance Will Win Championship  (Full Screen)
RaceFinishStartLapsLeadPointsBonusPenaltyTotalPurse
Daytona 5001816152109109$373,454
Auto Club 50072525011465151155,181
Shelby 427171628521125117146,331
Kobalt Tools 500329330281655170156,556
Food City 5001538503118118138,606
Goody’s Fast Relief 5002654988585120,856
Samsung 500101333491345139176,579
Subway Fresh Fit 5001011312134134127,756
Aaron’s 4992416187291596139,506
Crown Royal Presents Richmond 40026374008585118,056
Southern 5003293146767123,179
Coca-Cola 600419227160160207,531
Dover 400713400121465151149,656
Pocono 50021120010317010180210,356
LifeLock 40042920011605165148,156
Toyota/Save Mart 3501334113124124136,054
Lenox Industrial Tools 301195273106106125,131
Coke Zero 40045160160160185,831
LifeLock.com 4001425267121121144,256
Allstate 400 at the Brickyard1541160118118209,406
Pennsylvania 500185200109109118,056
NASCAR Sprint Cup Series at the Glen33390165165174,656
Michigan 40043220011605165156,806
Sharpie 5001632500115115146,756
Pep Boys Auto 50037143025252132,706
Chevy Rock and Roll 4001510400118118122,256
Sylvania 30017530021125117125,931
Dover 400 Number 21130400130130128,106
Kansas 400101726711345139150,131
Pepsi 500611250150150158,356
Bank of America 50039282994646114,131
Tums Fast Relief 5002029501103103122,256
Amp Energy 500141019121215126139,431
Dickies 5003961744646146,406
Checker O'Reilly Auto Parts 5001625312115115119,206
Ford 400724267146146
10,2181644,333+65-0=4,398$5,347,627