Whither multilateralism?

Agreements	Number of countries	% of World Population	% of GDP	% of World Trade
Trans Pacific Partnership (TPP)	12	40	60	50
Trans Atlantic Trade and Investment Partnership (TTIP)	2	17	40	34
Regional Comprehensive Economic Partnership (RCEP)	16	49	30	29
Trade in Services Agreement (TISA)	23	25	-	68 (% of Services Trade)

With these kind of mega deals being negotiated, whither multilateralism in trade rule making?