Process thought begins with the understanding that everything in the world is relational and changes – nothing stays the same. Eastern wisdom traditions tend to focus much more upon the impermanence of all things, and perhaps there is something there we in the west, can learn from.
Since everything is relational (which I take to also mean interconnected) then everything that happens is influenced by something and the results affect everything else. Every choice we make affects others, some choices, e.g. decided to strap a bomb on our back and detonate it, have a greater affect upon others.
If we start our discussion on process theology (sometimes referred to as process-relational theology) here, where it makes sense to most people, then it is easier to understand how process theology builds upon this at it seeks to understand God. God is affected by others choices and thus God changes. Many religious people may be quick to reject this idea because the idea of the changlessness of God has been such a huge part of our embedded theology.
Biblically, we can find many places where God changes. Probably the clearest example is when God is discussing with Abraham the fate of Sodom and Gomorrah in Genesis 18. But there are others places. For example, after Moses came down from the mountain with the Ten Commandments, the people had build a golden calf and God became so angry that he said he would consume them. After Moses stood up for the people, we read, “the Lord changed his mind about the disaster that he planned to bring on his people” (Ex 32v14). We read of a similar time where Moses influenced God to change God’s mind toward the people in Numbers 14. Clearly, God does in fact change and perhaps we have more influenced upon this than we realize.
What I find to be the most compelling part of all this is the idea that everything is relational and influenced by each other. Our environment is influenced by the decisions of ourselves and others. Our families are shaped by the decisions of those within and those outside. Once we begin to understand the relatedness (or interconnectedness) of all things, then we begin to see Reality in a whole new way!