Year

Year 2019 is 95.4% complete.
95.40992517625641%

Month

Month 2019-12 is 45.95% complete.
45.95555215951649%

Day

Day 2019-12-15 is 24.62% complete.
24.62187002739405%

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

For example