This task involves creating questions from a given passage that involve some kind of complex reasoning (including numerical reasoning). 
The generated questions must require looking at more than one part of the passage to answer. Try to use a variety of reasoning types in your questions (some of the sample reasoning types are illustrated in the 'positive examples' field) and also have a variety of answer types (spans, numbers, dates). A span is a continuous phrase taken directly from the passage or question. In such questions, the answer spans are recommended to be five words. Questions with answer type "number", are expected to start with "How many". For instance, "How long did an event last?" can be phrased as "How many years did an event last?". To increase diversity, try to create more questions for which the answer will be multiple spans. Please create questions that require AT LEAST 2 arithmetic operations as illustrated in the 'positive examples' field. You are encouraged to try DIFFERENT COMBINATIONS of operations and not just limit to the combinations shown in those examples. The more challenging questions you create, the better it is.

Q: Passage: After their success in the Morea, the Ottomans moved against the Venetian-held Ionian Islands. They occupied the island of Lefkada , which the Venetians had taken in 1684, and the fort of Butrinto opposite the city of Corfu. On 8 July 1716, an Ottoman army of 33,000 men landed on Corfu, the most important of the Ionian islands. Despite an indecisive naval battle on the same day, the Ottoman land army continued its disembarkment and advanced towards the city of Corfu. On 19 July, after capturing the outlying forts of Mantouki, Garitsa, Avrami and of the Saviour, the siege began. The defence was led by Count Johann Matthias von der Schulenburg, who had roughly 8,000 men at his command. The extensive fortifications and the determination of the defenders withstood several assaults. After a great storm on 9 August—which the defenders attributed to the intervention of Corfu's patron saint, Saint Spyridon—caused significant casualties among the besiegers, the siege was broken off on 11 August and the last Ottoman forces withdrew on 20 August.

A: How many days after a great storm was the siege broken off?
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Q: Passage: The Browns opened their season at home against the Minnesota Vikings trying to improve on their 4-12 record from last season. After trading field goals in the first quarter, RB Adrian Peterson scored the first touchdown of the game, giving Minnesota a 10-3 lead. But K Phil Dawson kicked his second field goal and WR Josh Cribbs returned a punt for a touchdown and the Browns took a 13-10 lead into halftime. However, the second half was controlled completely by the Vikings, with QB Brett Favre connecting with WR Percy Harvin for Favre's first touchdown pass as a Viking. In the 4th quarter, QB Brady Quinn completed a touchdown pass to TE Robert Royal, the first touchdown by Cleveland's offense since the 4th quarter of Week 11 in 2008, ending a span of 416 offensive plays without a touchdown.

A: How many points were the Browns ahead going into the half?
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Q: Passage: Passenger traffic for the group reached a record 8.5 million in 2013, a 57% increase from the time of its renationalization in 2008. Revenues rose to a record of US$2 billion in 2013, an 85% increase from 2008 levels; losses likewise declined from $860 million (78% of revenues) to $250 million (12% of revenues). Corporate assets as of 2012 had tripled to over $1.6 billion, as the groups fleet grew from 26 to 63 planes and the average age of same was reduced from 20 years to 7.5. In 2017, projections for 2018 were given at 14.5 million passengers and a loss of $90 million.

A:
How many more percentages of revenue losses declined in 2008?
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