Looking for the older Stats page? You can rest assured: the old stats are still there! There are different ways to access the old Stats page:
You can click on “View All” in the Stats dashboard widget.
You can click on “View Old Stats” in the new Jetpack dashboard.
You can click on the Stats graph appearing in the admin bar when viewing your site.
Click on "View More Stats on WordPress.com" in the Stats dashboard widget to view the new Stats page with even more detail than the old page.