Statistics deleted from past week after changing card types

I tried changing card type and I pressed upload to web and I have lost progress stats for the past week and no longer see the reviews I have done/cards I have added on the stats page and I don’t know what to do. Previously I had 2000 New Cards and now I have 700.

If you made an unintentional change, you can try restoring from a backup. Restoring an Automatic Backup (Recovering from Data Loss) - Frequently Asked Questions