Moreover, if the schedule is early then the majority of each payment is what is owed in interest and if the schedule is later then the majority of each payment covers the loan’s principal. Every periodic payment is a similar amount in total for every period. It shows the amount of principal and amount of interest that contains each payment till the loan is paid off at the end of its term. 9 What are the benefits of using an Excel amortization schedule template?Ī loan amortization schedule is a schedule that has a complete table of periodic loan payments.8.2 Occasional or Sporadic extra payment.