How often does the dividend yield change? Is it base on the day to day price?

Let me give an example here:

Let's say the dividend is $1 per share.

If the price is $100, the dividend yield is $1/$100 = 1%

If the price is $200, the dividend yield is $1/$200= 0.5%

So the amount given is the same but based on the share price the % or yield changes.