Year

Year 2020 is 25.09% complete.
25.095164478286197%

Month

Month 2020-4 is 2.82% complete.
2.827664710901899%

Day

Day 2020-4-1 is 84.83% complete.
84.83089043846586%

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

For example