Corona has contributed to the worsening of their business performance.
Corona has made their already difficult financial situation even worse.
ご質問ありがとうございます。
① "Corona has contributed to the worsening of their business performance."＝「コロナはビジネスの業績悪化の一因となった。」
② "Corona has made their already difficult financial situation even worse."＝「コロナは既に厳しい金銭的状況を更に悪化させた。」
ご参考に！
アメリカ合衆国 
