Percent Change

The video tutorial explains how to calculate the percent change in value, using a baseball card as an example. Initially purchased for $4, the card's value increased to $7 after a grand slam. The percent change is calculated by comparing the difference between the original and new values to the original value, using a specific formula. The tutorial walks through the calculation process, resulting in a 75% increase. The lesson concludes with a summary of the key concepts learned.

What is the absolute value of the difference between the original and new value?

What does a 75% increase in value mean in terms of the original price?