Do you mean that if there were not "Fair value gains on investment properties, net"($2,526Mil), the bottom line will be -$636Mil?
Please don't forget that among the income tax expense, there are $621Mil deferred tax. Those are the provisional tax of the "Fair value gains on investment properties, net".
You may argue that the company does not making any money for the period, and it is indeed with heavy debt financing.
However, the company is not losing $630Mil.