What are better odds 3 to 1 or 9 to 1?

Here are the two for comparison;

For 3 to 1 odds of winning;

Probability of winning:

0.25, or;

Chance of winning:

25%

---------------------

For 9 to 1 odds of winning;

Probability of winning:

0.1, or;

Chance of winning:

10%