The tutorial shows how to build an amortization schedule in Excel to detail periodic payments on an amortizing loan or mortgage. Loan Amortization Schedule outlines the interest and principal payments owed on a mortgage, including the outstanding balance.Just convert the "daily compound interest" into "effective monthly interest". The delinquency rate for all mortgages, especially subprime or high-cost mortgages, has increased in the District of Columbia over the past year.