Year

Year 2019 is 71.88% complete.
71.88022121859875%

Month

Month 2019-9 is 64.54% complete.
64.54268866211335%

Day

Day 2019-9-20 is 36.28% complete.
36.28033275279951%

This site Dividing the year, month, day into 100 pieces and show the progress bar for you.

For example