Year

Year 2020 is 25.09% complete.
25.09453586339236%

Month

Month 2020-4 is 2.81% complete.
2.8199956064808194%

Day

Day 2020-4-1 is 84.6% complete.
84.60081473168299%

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

For example