Year

Year 2019 is 71.96% complete.
71.96317835179401%

Month

Month 2019-9 is 65.55% complete.
65.55200080671236%

Day

Day 2019-9-20 is 66.56% complete.
66.5600358684435%

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

For example