You can change the Content Listing order through the following steps:
  1. Go to Content > Content Management System
  2. Manage the site where you want to make your changes
  3. Click Edit Webpages
  4. Navigate in the Folder View to your existing Content Listing by Folder tool
  5. Click on the Tool to open it
  6. Click the Content Listing by Folder tab
  7. In the Sort Order dropdown choose the option you want to use for Sort Order
  8. Click OK
  9. Check the box next to the Content Listing by Folder Tool
  10. Click Publish at the top of the screen to publish the changes