Year

Year 2020 is 25.1% complete.
25.102912516197613%

Month

Month 2020-4 is 2.92% complete.
2.922190806900332%

Day

Day 2020-4-1 is 87.66% complete.
87.66670504629514%

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

For example