Year

Year 2019 is 71.86% complete.
71.865473819837%

Month

Month 2019-9 is 64.36% complete.
64.36326191364495%

Day

Day 2019-9-20 is 30.89% complete.
30.897470073794658%

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

For example