Enter the final percentage amount in the calculator. For example, if interest rates rose from 4.7 percent to 5.3 percent, enter the final amount of "5.3" into the calculator.
Push the subtraction sign on the calculator.
Enter the original percentage. In this example, enter "4.7."
Push the equals sign to find the difference as measured in percentage points. Completing this example, when you push equals sign, your calculator will display "0.6," meaning the amount increased by 0.6 percentage points.