This Instructional Activity is a part of the Lesson 4, Unit 4, Grade 7. Ask the class for an example of a situation that involves a percent decrease, or use the sample given below, and conduct a brief whole-group discussion about the meaning of the percent decrease. Then, in a whole-group instructional setting, complete Example 2. Provide each student (or pair of students) with a small piece of paper or index card to answer the following question. Read the question aloud.