Percentage Change

Lisa explains how to calculate percentage changes, emphasizing the importance of identifying new and old values and using multipliers. She provides examples, such as the decrease in HIV-related deaths and a car sale price, to illustrate the concept. The video concludes with practice questions and tips for distinguishing between percentage change and percentage of questions.

Explain the significance of reverse percentages in percentage change calculations.

What should you do if you are unsure whether a question is asking for a percentage change or just a percentage?