Year

Year 2020 is 24.54% complete.
24.543958796064395%

Month

Month 2020-3 is 96.22% complete.
96.22870158206747%

Day

Day 2020-3-30 is 83.08% complete.
83.08959697112147%

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

For example