Any type of operation against the storage is counted as a transaction, including reads, writes, and deletes.
It takes 2000 transactions to delete 1000 entities.
Explore in Azure Monitoring
You can observe this in Azure Monitor, try deleting a
How much does it cost?
With entity groups
Trivia: You can icnclude up to 100 entities in an entity group transaction.
This is as per 17th june 2020