Year

Year 2020 is 25.1% complete.
25.103864519216497%

Month

Month 2020-4 is 2.93% complete.
2.933805247844285%

Day

Day 2020-4-1 is 88.01% complete.
88.01514217302446%

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

For example