https://www.reddit.com/r/Notion/comments/1l3csut/comment/mw41u1s/?context=3

Habits

Formula for progress property

lets(
	dayOfWeek, formatDate(prop("Date"),"ddd"),
	ifs(
		dayOfWeek == "Mon",
		(toNumber(prop("Reading"))+toNumber(prop("House cleaning"))+toNumber(prop("Change flower vase water")))/3,
		dayOfWeek == "Tue",
		(toNumber(prop("Reading"))+toNumber(prop("Change flower vase water")))/2,
		dayOfWeek == "Wed",
		(toNumber(prop("Grocery shopping"))+toNumber(prop("House cleaning"))+toNumber(prop("Laundry"))+toNumber(prop("Change flower vase water"))+toNumber(prop("Check personal emails")))/5,
		dayOfWeek == "Thu",
		(toNumber(prop("Reading")))/1,
		dayOfWeek == "Fri",
		(toNumber(prop("House cleaning")))/1,
		dayOfWeek == "Sat",
		(toNumber(prop("Laundry")))/1,
		dayOfWeek == "Sun",
		toNumber(prop("Reading"))												
	)
	)