Year

Year 2020 is 4.75% complete.
4.753549802954376%

Month

Month 2020-1 is 56.12% complete.
56.12257491710334%

Day

Day 2020-1-18 is 39.79% complete.
39.799633507270556%

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

For example