Calculate the debt to total assets ratio? For the year 2020 and 2019

Explain the results?

		2020				2019
Total assets		$	301,311			$	286,55 6
Liabilities and stockholders equity
Current liabilities:
Accounts payable		$	12,530			$	9,382
Current portion of long-term debt			3,749				5,516
Accrued compensation			7,874				6,830
Short-term income taxes			2,130				5,665
Short-term unearned revenue			36,000				32,676
Other current liabilities			10,027				9,351
Total current liabilities			72,310				69,420
Long-term debt			59,578				66,662
Long-term income taxes			29,432				29,612
Long-term unearned revenue			3,180				4,530
Deferred income taxes			204				233
Operating lease liabilities			7,671				6,188
Other long-term liabilities			10,632				7,581
Total liabilities			183,007				184,226
Commitments and contingencies
Stockholders equity:
Common stock and paid-in capital shares authorized 24,000; outstanding 7,571 and 7,643			80,552				78,520
Retained earnings			34,566				24,150
Accumulated other comprehensive income (loss)			3,186				(340	)
Total stockholders equity			118,304				102,330
Total liabilities and stockholders equity		$	301,311			$	286,556