Year

Year 2020 is 25.1% complete.
25.100627852311362%

Month

Month 2020-4 is 2.89% complete.
2.8943178976160815%

Day

Day 2020-4-1 is 86.83% complete.
86.83050841216897%

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

For example