📚 View Lesson Summary & Study Guide

Main Learning Objective:
Understand how to calculate percent increase and percent decrease using the relationship between the amount of change and the original amount.

Key Takeaways:

  • To find percent increase, divide the amount of increase by the original amount.
  • To find percent decrease, divide the amount of decrease by the original amount.
  • The core formula for both percent increase and percent decrease is identical: Change Amount divided by Original Amount.
  • Carefully track whether an amount is moving up or down when working through word problems.