CHICAGO (CBS) — The total free fall of Donald Trump’s presidential campaign is perfectly captured in this graphic.

The probability of Clinton and Trump presidential victories. (Credit: FiveThirtyEight)

The probability of Clinton and Trump presidential victories. (Credit: FiveThirtyEight)

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The beginning of the end for Trump came almost immediately after he stunningly criticized the Muslim parents of a fallen war hero at the end of July.

On July 30, the probability of either Clinton or Trump winning in November was virtually even, according to an analysis by FiveThirtyEight.

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A week after his remarks, Clinton’s liklihood of winning rocketed to 81.5 percent, compared with Trump’s 18.5 percent. In the ensuing days, Trump also tried to back-track after throwing NATO under the bus, claimed President Obama founded ISIS and said the election was rigged.

Clinton’s chances of winning now stand at 87 percent.

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FiveThirtyEight reaches its conclusions by simulating election result scenarios 20,000 times.