Year

Year 2020 is 25.09% complete.
25.093205795269068%

Month

Month 2020-4 is 2.8% complete.
2.8037687696294435%

Day

Day 2020-4-1 is 84.11% complete.
84.11400417957093%

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

For example