Year

Year 2019 is 79.5% complete.
79.50656739997653%

Month

Month 2019-10 is 55.48% complete.
55.48054267459499%

Day

Day 2019-10-18 is 19.89% complete.
19.896411059069663%

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

For example