The tutorial shows how to build an amortization schedule in Excel to detail periodic payments on an amortizing loan or mortgage. This Microsoft Excel template illustrates how to create a loan amortization schedule, as well as dealing with additional payments and variable interest rates.This calculator will help you figure out your regular loan payments and it will also create a detailed schedule of payments. You can create an Excel amortization table with changing interest rates. Here's how you can build it. An amortization table shows the schedule for paying off a loan, such as a mortgage. Learn how to use one to determine your payoff schedule. How to calculate personal loan interest. How to Accelerate Repayment with Loan Amortization. Loan Amortization Schedule.