Complex sentence: Studies by independent companies such as Nielson and comScore have shown that Internet Yellow Pages have a very slim percentage of total Internet searches, 85% of all Internet searches, occur on the major search engines Google, Yahoo and Bing.
Split into simpler sentences: Studies by independent companies such as Nielson and comScore have shown that Internet Yellow Pages have a very slim percentage of total Internet searches. The majority, over 85% of all Internet searches, occur on the major search engines Google, Yahoo and Bing.