Answer
This question has many examples. One example is listed below.
Work Step by Step
A percent change problem only requires a value and its original value. For instance, I went to the store today, and I found out that eggs are currently 2 dollars a dozen when they were previously 1.90 a dozen. Another example would be seeing that the elevation at my favorite beach decreased from 14 feet above sea level to 13 feet above sea level.