I think the percentage of the water on earth is 97%.
71 pecent of the earth
About seventy five percent of the earth has ocean water.
About 70% of the Earth's surface
Approximately, 70 percent of the Earth's surface is covered by oceans and seas.
About 70% of the surface is covered by water.
70 percent
Water covers 71% of the Earth's surface
20 percent
more than 80 percent of the earth's surface is volcanic in origin.
I'm afraid I don't understand what you mean by the "Deep sea". Do you mean how much of the earth's surface does the deepest section of the sea cover? I know that oceans and seas cover 75% of the Earth's surface, approximately.
The Pacific Ocean covers about 28% of the global surface. It is larger than the total land area of the world.
About 71% of the worlds surface is covered by oceans.