Complex sentence: This victory for the British capital has given them the first 100% track record for bidding and hosting the Olympic Games three times, as their previous bids were also successful, while Paris currently holds a 40% track record for bidding and hosting the Olympic Games.
Split into simpler sentences: This victory for the British capital has given them the first 100% track record, for bidding and hosting the Olympic Games three times. This is as their previous bids were also successful, while Paris currently holds a 40% track record, for bidding and hosting the Olympic Games.