I found this fix to the issue! I didn’t have a clue what I was doing, but I followed the instructions and got my stats back.
https://www.suctionseat.com/2011/02/how-to-change-api-in-wordpress/
Also found this:
https://www.vexite.com/2010/changing-wordpress-api-key-used-for-stats/
but the first tutorial was easier for me to understand. Hope that helps!