The seventh angel pours his bowl into the air, and a loud voice says, “It is done”.
A great earthquake strikes the earth like it has never been seen before. This earthquake causes every island to sink and every mountain to crumble and collapse. Every city has buildings turned to rubble. Once that stops, hailstones weighing 100 pounds (45.36 kg) will fall on men. These are signs that the armies of the Lord are about to sweep the earth. How many people are left to be harvested? The world's population is 8 billion. The black rider kills 25%, that's 2 billion, leaving 6 billion, and the kings of the East kill 33%, that is another two billion. We are down to four billion. This earthquake sinks the islands, turns cities into rubble, and crumbles the mountains. Indonesia alone has nearly 300 million people. That would be another two billion, at minimum. Then, with the hailstones, I can easily see that there will be only six or seven hundred million left at that stage. As in other parts of Revelation, it seems to suggest there is a pause and then a bang. It is done.
At this point, the beast has been active for more than 42 months. The Antichrist has taken over and persecuted the saints. Many saints have not bowed to the beast or helped the 144,000 or the two witnesses. This has cost them their lives. Yet, they are counted as victorious and have defeated the power of the beast.

Great and amazing are your deeds,
O Lord God the Almighty!
Just and true are your ways,
This is their (your?) song.