you got it. just to be sure on the source for the % you are using I think you gave a good number but it's just 97.00% no decimals, the official schedule for this is here which also has instructions on how to apply it
https://www.fidelity.com/bin-public/060_www_fidelity_com/documents/taxes/TY24GSESupplementalLetter.p...
this should carry over to your state return as a 'subtraction' to Federal income, not sure what line that is for CA. Generally there is no drill down on state subtraction to show the details, and it will be a combination of 1099-INT Box 3, 1099-B Box 1a US Gov $ amount, 1099-OID Box 8 etc, less any accrued interest or premium adjustments for INT/OID. If you have a lot of these you just need to keep track of the total you expect to see on state and reconcile back to your 1099s.
For most people it's usually an issue with accrued interest, if you have a 1099-INT with multiple boxes (1/3/8) and accrued interest adjustment then then 1099-INT needs to be split it as there is no way in TT to specify which box an adjustment applies to.
a few people have reported issues with imported 1099 adjustments for munis or treasuries not carrying through to state properly. If you encounter that sort of problem the usual solution is to just re-input the 1099 manually and delete the old one. This is relatively rare problem tho.
