Year

Year 2019 is 71.87% complete.
71.87918532359451%

Month

Month 2019-9 is 64.53% complete.
64.53008526843223%

Day

Day 2019-9-20 is 35.9% complete.
35.90222671201137%

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

For example