Are you using the Online version or the Desktop program? If you try again then before you get to that point you should print or review your 1040. Then after the refund drops print it again and compare them line by line to see what changed.
For Online, Before filing you can preview the 1040 or print the whole return
https://ttlc.intuit.com/community/accessing/help/how-do-i-preview-my-turbotax-online-return-before-f...
