How are these numbers calculated? (show)

Points Above 12th  (Full Screen)
Chance Will Win Championship  (Full Screen)
RaceFinishStartLapsLeadPointsBonusPenaltyTotalPurse
Daytona 50026101528585$335,963
Auto Club 500623250150150129,025
Shelby 42722342849797110,125
Kobalt Tools 50013632912412493,525
Food City 50022450371705175138,275
Goody’s Fast Relief 5002850029617010180149,000
Samsung 5001222334127127139,025
Subway Fresh Fit 500612312150150107,975
Aaron’s 499221818828975102104,275
Crown Royal Presents Richmond 40014340014812110131101,050
Southern 5001323367124124103,175
Coca-Cola 6001113227130130122,655
Dover 4003616232555596,400
Pocono 500387178494983,150
LifeLock 40031420011655170125,625
Toyota/Save Mart 350524113331555160128,325
Lenox Industrial Tools 3011572731118512396,150
Coke Zero 40036160631655170180,325
LifeLock.com 40054267155155152,225
Allstate 400 at the Brickyard34141446161160,775
Pennsylvania 500162009118510195235,725
NASCAR Sprint Cup Series at the Glen1039013413493,050
Michigan 400101620021345139100,775
Sharpie 500541500155155136,575
Pep Boys Auto 500610325231505155138,875
Chevy Rock and Roll 4001340029818510195238,075
Sylvania 30024300221705175179,275
Dover 400 Number 22213398979789,600
Kansas 40052226711555160139,225
Pepsi 5003711952152557123,050
Bank of America 5004217192543754287,875
Tums Fast Relief 50011750120618510195189,500
Amp Energy 500389137114955491,175
Dickies 50022533421705175368,900
Checker O'Reilly Auto Parts 50035312165165144,825
Ford 4001382677118510195
10,0311,3794,676+130-0=4,806$5,013,543