What is the "Change Account" which now appears in a trial balance report?

I'd definitely love to help you here in the Community, AH21, I'm a little bit confused.          

To do more digging into this. Can you please provide me with some additional information or screenshots on your inquiry in which specific field in the report appears the "Change Account"? I'd be happy to provide you with the exact solution that you need.  

Check out this link to learn how to personalize your financial statements: Customize reports in QuickBooks Online. 

I'll keep an eye open for your response. I'm always here to help. Have a wonderful day, and stay safe!