Year

Year 2019 is 71.86% complete.
71.86954935327738%

Month

Month 2019-9 is 64.41% complete.
64.41284758806084%

Day

Day 2019-9-20 is 32.38% complete.
32.38505694980397%

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

For example