23.3 – Average age of NASCAR’s national series champions: Cup Series, Chase Elliott (24.11); Xfinity Series, Austin Cindric (22.1); Gander RV & Outdoors Truck Series, Sheldon Creed (23).
1,190 – Green flag passes for the lead in the NASCAR Cup Series, second-most in the past 14 seasons.
20.0 – The average number of lead changes per NASCAR Cup Series race, the most since 2014 (21.17).
20 - Number of races with a margin of victory of less than a second, most since 2014.
1988 – The last year that NASCAR’s Most Popular Driver won the championship (Bill Elliott).
4 - NASCAR transitioned from a series entitlement model to a premier partner model that welcomed four global leading brands as premier partners – Busch Beer, Coca-Cola, Geico and Xfinity.
3 - Three new teams have announced they will enter the NASCAR Cup Series in 2021, including 23XI Racing owned by Michael Jordan and Denny Hamlin.
Even more numbers in the article.
147% is a real nice increase