Hi Thomas, I acknowledged your question and trying to find the best answer,
Meanwhile, I have found one video resource & a step-by-step guide to adjusting baseline values for your reference.
Here are the links
1. https://community.apptio.com/viewdocument/cfp-beta-enablement-overview-vide?CommunityKey=5c159fa6-8e9f-4af1-953f-01870e6a4e2f&tab=librarydocuments
2. https://community.apptio.com/viewdocument/enter-financial-details-and-adjust?CommunityKey=f00bf553-5aae-4eee-98eb-1e6e1b899035&tab=librarydocuments
#CloudabilityFinancialPlanning