Year

Year 2019 is 71.86% complete.
71.86666877122212%

Month

Month 2019-9 is 64.37% complete.
64.37780049397863%

Day

Day 2019-9-20 is 31.33% complete.
31.33363236370892%

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

For example