Year

Year 2020 is 4.84% complete.
4.842463734806937%

Month

Month 2020-1 is 57.17% complete.
57.17233330997179%

Day

Day 2020-1-18 is 72.34% complete.
72.34250818985333%

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

For example