After you file

The 2 year comparison screen?  I know you can manually add it if it's missing so you might be able to change the amounts.

Go to Business tab-Continue
Choose Jump to Full List -or I'll choose what I work on
Then…
Business Income and Expenses- Click the Start or Update button

You should see the Business Summary page that lists your businesses

Then click EDIT by the business name and the next screen should be a list of  topics,
Business Profile, Income, Inventory/Cost of Goods Sold, Expenses, Assets, and Final Details last.

Scroll down to Final Details -  Two Year Comparison