How to determine the percent price increase between two values

The video tutorial explains how to calculate the increase in price from $1.00 to $1.70. It demonstrates the steps to find the difference and convert it into a percentage, resulting in a 70% increase. The tutorial emphasizes understanding the basic math behind percentage calculations and concludes with a brief discussion on the simplicity of dividing by one.

What challenges might arise when dividing fractions in this context?

Explain the significance of the value 70% in the context of the discussion.