I compared the public's opinion of the Republican Party right before the election last year and it's opinion of it now, according to the Economist/YouGov polls:

https://docs.cdn.yougov.com/jsojry0vph/econTabReport.pdf
(10/31 - 11/1/2020, page 194)

https://docs.cdn.yougov.com/rqqxdo2ujy/econTabReport.pdf
(2/6 - 2/9/2020, page 208)

Not good.

In November, all respondents viewed the GOP:
Very Favorable: 20%
Somewhat Favorable: 22%
Somewhat Unfavorable: 13%
Very Unfavorable: 43%
Don't Know: 2%

Now:
Very Favorable: 10%
Somewhat Favorable: 20%
Somewhat Unfavorable: 21%
Very Unfavorable: 38%
Don't Know: 11%

In November, all respondents had a combined 42% favorable opinion and a combined 56% unfavorable view (-14), w/2% no opinion.

And now, all respondents have a combined 30% favorable opinion and a combined 59% unfavorable view (-29), w/11% no opinion.

A 15 point drop.

In November, with Men:
Very Favorable: 19%
Somewhat Favorable: 26%
Somewhat Unfavorable: 13%
Very Unfavorable: 41%
Don't Know: 1%

Now, with Men:
Very Favorable: 10%
Somewhat Favorable: 22%
Somewhat Unfavorable: 23%
Very Unfavorable: 39%
Don't Know: 7%

In November, Men had a combined 45% favorable view and a combined 54% unfavorable view. -9%.

In November, Men had a combined 32% favorable view and a combined 62% unfavorable view. -30%.

A 21% point drop.

In November, with Women:
Very Favorable: 21%
Somewhat Favorable: 19%
Somewhat Unfavorable: 14%
Very Unfavorable: 44%
Don't Know: 2%

Now, with Women:
Very Favorable: 10%
Somewhat Favorable: 19%
Somewhat Unfavorable: 19%
Very Unfavorable: 38%
Don't Know: 14%

In November, Women had a combined 40% favorable view and a combined 58% unfavorable view. -18%.

In November, Women had a combined 29% favorable view and a combined 57% unfavorable view. -28%.

A 10% point drop.

In November, with White Men w/no Degree:
Very Favorable: 29%
Somewhat Favorable: 25%
Somewhat Unfavorable: 12%
Very Unfavorable: 31%
Don't Know: 2%

Now:
Very Favorable: 15%
Somewhat Favorable: 27%
Somewhat Unfavorable: 22%
Very Unfavorable: 29%
Don't Know: 8%

In November, White Men w/no Degree had a combined 54% favorable view and a combined 43% unfavorable view. 11%.

Now, White Men w/no Degree had a combined 42% favorable view and a combined 51% unfavorable view. -9%.

A 20% point drop.

In November, with White Men w/Degree:
Very Favorable: 13%
Somewhat Favorable: 30%
Somewhat Unfavorable: 12%
Very Unfavorable: 44%
Don't Know: 0%

Now:
Very Favorable: 5%
Somewhat Favorable: 23%
Somewhat Unfavorable: 22%
Very Unfavorable: 49%
Don't Know: 1%

In November, White Men w/Degree had a combined 43% favorable view of the GOP and a combined 56% unfavorable view. -13%.

Now, White Men w/Degree had a combined 28% favorable view and a combined 71% unfavorable view. -43%.

A 30% point drop.

In November, with White Women w/no Degree:
Very Favorable: 31%
Somewhat Favorable: 22%
Somewhat Unfavorable: 13%
Very Unfavorable: 32%
Don't Know: 2%

Now:
Very Favorable: 14%
Somewhat Favorable: 24%
Somewhat Unfavorable: 19%
Very Unfavorable: 28%
Don't Know: 15%

In November, White Women w/no Degree had a combined 53% favorable view and a combined 45% unfavorable view. 8%.

Now, White Women w/no Degree had a combined 38% favorable view and a combined 47% unfavorable view. -9%.

A 17% point drop.

In November, with White Women w/Degree:
Very Favorable: 18%
Somewhat Favorable: 21%
Somewhat Unfavorable: 12%
Very Unfavorable: 49%
Don't Know: 0%

Now:
Very Favorable: 8%
Somewhat Favorable: 20%
Somewhat Unfavorable: 18%
Very Unfavorable: 47%
Don't Know: 7%

In November, White Women w/Degrees had a combined 39% favorable view and a combined 61% unfavorable view. -22%.

Now, White Women w/Degrees had a combined 28% favorable view and a combined 65% unfavorable view. -37%.

A 15% point drop.

In November, with Black voters:
Very Favorable: 3%
Somewhat Favorable: 17%
Somewhat Unfavorable: 16%
Very Unfavorable: 59%
Don't Know: 5%

Now:
Very Favorable: 5%
Somewhat Favorable: 11%
Somewhat Unfavorable: 23%
Very Unfavorable: 47%
Don't Know: 7%