Year

Year 2020 is 26.65% complete.
26.65035543812818%

Month

Month 2020-4 is 21.8% complete.
21.801001140937604%

Day

Day 2020-4-7 is 54.03% complete.
54.03040725366183%

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

For example