However, studies have shown that even increasing your retirement contribution percentage by as little as 1 % can have a huge impact on your overall retirement balance. (policygenius.com)
Some companies might assume you want the same contribution percentage taken from your bonus as you would from regular pay. (gobankingrates.com)
Similarly, when the default options are set to higher contribution percentages and more aggressive assets (stocks), people tend to accept these options. (mindfullyinvesting.com)