Interpreting and understanding the results of financial modelling is often the least prescriptive and most valuable part of financial modelling.

At this point, effective financial modelling becomes more of an Art than a Science: my preferred way to interpret results is through live dynamic interaction: determining in real time what each change in assumptions does to the results, and establish which of assumptions is the most sensitive to measured output. 

Two of my favorite charts below to determine – these are discussed in the document that can be downloaded from the home page. 

Achieving a PE return from a PF project
Early project life-cycle debt sculpturing