1. A method for comparing an original real estate space and a proposed real estate space comprising the steps of: a. determining an efficiency measure for the original real estate space, b. determining a space program for the original real estate space; c. calculating a circulation loss for the original real estate space; d. determining an efficiency measure for the proposed real estate space; e. determining a space program for the proposed real estate space; f. calculating a circulation loss for the proposed real estate space; and g. calculating an inefficiency measure of the original real estate space compared to the proposed real estate space.