Reverse Percentages: Finding the Original Value After an Increase or Decrease

The video tutorial explains reverse percentages, focusing on finding original values after percentage increases or decreases. It introduces the concept of using a multiplier factor for efficient calculations. Several examples are provided, including scenarios of percentage increase and decrease, as well as population changes. The tutorial emphasizes the importance of understanding the structure of reverse percentages to solve problems effectively.

What is the process to find the original population if it has risen by a certain percentage?

Explain how to determine the original value from a new value after a percentage decrease.

What is the significance of understanding the structure for calculating reverse percentages?