"Oil and the dollar. Crude prices, which have been under pressure amid fears over weakening demand, tumbled $4.06 a barrel to $82.53.
Worries that the global crisis will undercut world demand prompted OPEC to announce plans for an emergency meeting Nov. 18 to address the issue. Prices have plunged some 80% from the record $147.27 a barrel set on July 11."
$147.27->$82.53 эээ процентов 45, is not it?