Display the year-to-year % change in total equity for 2021. Explain the key reasons which may have contributed to the change in total equity in terms of the changes in total assets and total liabilities.

Year	Total Assets	Total Liabilities	Total Equity
2020	$20,026 Million	$18,500 Million	$1,526 Million
2021	$17,880 Million	$17,364 Million	$516 Million