390 Out of 500 as a Percentage

What is 390 out of 500 as a percentage?
Percentage = Relative ValueReference Value x 100
390/500 as a percent = 390/500 x 100
= (39 x 10)/(50 x 10) x 100
= 39/50 x 100
= 39 x 2
= 78
390/500 as a percentage is 78%.