Did God create human beings so wicked and perverse?
No. God created human beings good and in His own image, in true righteousness and holiness, so that they might rightly know God their Creator, love Him wholeheartedly, and live with Him in eternal happiness to glorify and praise Him.
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Where does this corruption of human nature come from?
From the fall and disobedience of our first parents, Adam and Eve, in Paradise; therefore our nature has become so corrupt that we are all conceived and born in sin.
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Are we then so corrupt that we are completely incapable of doing any good, and inclined to every kind of evil?
Indeed we are, unless we are born again by the Spirit of God.