Year

Year 2020 is 24.53% complete.
24.53991766010223%

Month

Month 2020-3 is 96.18% complete.
96.18099008956436%

Day

Day 2020-3-30 is 81.61% complete.
81.61052413684303%

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

For example