To find median you set up the number least to greasiest and then cross each one out one side at a time until you get to the middle
Since the spinner has 5 slots it contains 3 odd and 2 evens,
this can be expressed as
, cross multiply and we get

%
Exact
Approximation
Estimate
Exact
1/4 to a decimal 0.25
to a percent is 25%