Using Displayed Values Only

After searching this board, I am using a check for this issue to alert when the problem occurs, but I'm hoping to tell Excel to fix the problem itself. The issue occurs when a set of data equals 100%, but when fewer decimals are displayed, the displayed total equals 101% or 99%.

Example:
0.6%
1.6%
97.8%

(Now when the display is changed to no decimal points)
1%
2%
98%

As you can see, the data appears to total 101%, and my boss is being a (insert any comment you probably have about your boss) about me not manually reviewing every single report that goes out for this 1% difference. As there are probably 400 different points at which this situation can occur on a daily basis, working harder is not the solution. /rant

I thought I once heard about a formula or setting where Excel will only calculate the displayed values instead of the actual value or formula. Ideally, the formula would know to take the three values, figure out the 100% limitation, and round the largest one down so the other two can round up. The example above is probably 99% applicable, as we would be rounding the largest value down in order to round the other values up.

Meaning intended result:
1%
2%
97%