Year

Year 2019 is 79.58% complete.
79.58345712083805%

Month

Month 2019-10 is 56.38% complete.
56.38585743919846%

Day

Day 2019-10-18 is 47.96% complete.
47.96148311081986%

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

For example