Year

Year 2020 is 25.09% complete.
25.097215760730347%

Month

Month 2020-4 is 2.85% complete.
2.8526903655840483%

Day

Day 2020-4-1 is 85.58% complete.
85.5816684788422%

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

For example