There is another way too.
Go to “Azure Classic Portal” and click on User Account Email and click on View Bill. It will open a page with all available subscriptions associated with the account.
Click on the subscription link to view all the subscription.
Click on the Specific subscription and it will open a page for Summary for <Subscription Name>.
Here we can see Overview of Bill
We can also Download usage details, Contact Microsoft Support, Edit subscription details, Change subscription address, Partner Information, Transfer Subscription, and Cancel Subscription from the same page.
Subscription Page in Azure Preview Portal looks like below: