Year

Year 2020 is 26.65% complete.
26.658878097097965%

Month

Month 2020-4 is 21.9% complete.
21.90497761719529%

Day

Day 2020-4-7 is 57.14% complete.
57.14973644130803%

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

For example