Year

Year 2019 is 71.91% complete.
71.9138980183189%

Month

Month 2019-9 is 64.95% complete.
64.9524232037925%

Day

Day 2019-9-20 is 48.57% complete.
48.572506531406425%

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

For example