If you've looked at investments, you might have seen an IRR calculation given. It's a percentage such as 12% or 9%. The IRR is commonly thought of as your annualized compounded return based on your initial investment.
If you haven't had a chance to watch Ben Leybovich's presentation at our last meetup, then you definitely want to check it out. It's about an hour long. About halfway through, he shares his spreadsheet with our members to show how CapEx and R&M affect the performance of your property.