Total amount that Miguel need to save for the purchase of the car = $3400
Amount that Miguel has saved up = $ 1496
The percentage of amount that Miguel has saved up can be calculated as:
(Amount that he has saved up)/(Total amount needed to purchase the car) x 100 %
Using the values, we get:
Percent of total cost he saved =

%
Percent of total cost he saved = 44%
Thus, Miguel has saved 44% of the cost needed to buy the car