Year

Year 2019 is 71.88% complete.
71.88351650399312%

Month

Month 2019-9 is 64.58% complete.
64.58278131527463%

Day

Day 2019-9-20 is 37.48% complete.
37.4831258048186%

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

For example