MS Excel
To center worksheet titles across a range of cells, you must

Widen the columns
Select the cells containing the title text plus the range over which the title text is to be centered
Select the cells containing the title text plus the range over which the title text is to be enfettered
Format the cells with the comma style

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MS Excel
You can auto fit the width of column by

Double clicking on the column name on column header
Double clicking on column right border on column header
Double clicking on the column left border of column header
Double click on the cell pointer in worksheet

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MS Excel
When all the numbers between 0 and 100 in a range should be displayed in Red Color, apply

Use =if() function to format the required numbers red
All of above
Select the cells that contain number between 0 and 100 then click Red color on Text Color tool
Apply Conditional Formatting command on Format menu

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