Answer based on context:

According to the International Organization for Migration, an estimated 2.7 million Egyptians live abroad and contribute actively to the development of their country through remittances (US$7.8 billion in 2009), circulation of human and social capital, as well as investment. Approximately 70% of Egyptian migrants live in Arab countries (923,600 in Saudi Arabia, 332,600 in Libya, 226,850 in Jordan, 190,550 in Kuwait with the rest elsewhere in the region) and the remaining 30% are living mostly North America (318,000 in the United States, 110,000 in Canada) and Europe (90,000 in Italy).

How many more percentage points of Egyptian migrants live in Arab countries than in North America and Europe?
40