Price changes can also occur due to change in demand as it will increase the price due to increase in supply
Here is a graphical representation :
An increase in supply has shifted the demand from d1 to d2 as the Supply has increase the price of the car , demand and the quantity of new cars , thus quantity 2 is a higher equilibrium
Fall in demand
Sometimes there is a fall in demand due to the negetive and bad publicity , this will cause a shift of the demand curve towards the left.
These types of consequence could create a fall in the price of the object and also a fall in the quantity of goods or service.
Unemployment in the market of helium ballons can shift the demand curve to the left as the demand falls.
When the demand falls there would be a shift from price 1 to price 2 which is a decrease in price
Not just the decrease in price but also decrease in quantity from q2 to q1 which is a decrease in quantity