Year

Year 2020 is 25.09% complete.
25.097450103836454%

Month

Month 2020-4 is 2.85% complete.
2.855549352491166%

Day

Day 2020-4-1 is 85.66% complete.
85.66743904568051%

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

For example