Do you know this…. in SQL 2016 Auto Update Stats Frequency for Large Tables changed now. Earlier 2014 and Old versions we need to enable 2371 Trace flag to change the frequency than 20% data change when there are millions of rows in a large tables.

For more information follow the link below.

https://blogs.msdn.microsoft.com/psssql/2016/10/04/default-auto-statistics-update-threshold-change-for-sql-server-2016/