$CSPX (-0,75 %)
$IWDA (-0,81 %)
$EQQQ (-1,46 %)
The calculation is the country's trade deficit with the USA divided by the country's exports to the USA
Ex:
Vietnam: exports 136.6, imports 13.1
Deficit = 123.5
123,5/136,6 = 90 %

$CSPX (-0,75 %)
$IWDA (-0,81 %)
$EQQQ (-1,46 %)
The calculation is the country's trade deficit with the USA divided by the country's exports to the USA
Ex:
Vietnam: exports 136.6, imports 13.1
Deficit = 123.5
123,5/136,6 = 90 %