before the year end sale one used car was priced at 8,925. During the sale the car was marked down to 7,586.25. By what percent was the car marked down?

8,925 - 7,586.25 = 1,338.75

1,338.75 / 8,925 = ???

Convert the decimal to a percent by multiplying by 100 or moving the decimal point two places to the right.