Pwetty pwease help me ;((

How do you answer this question? (step by step)

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?

The price of a car has been reduced from $19,000 to $11,590. what is the percentage decrease of the price of the car?