included in selling , general and administrative expense was rent expense of $ 83.0 million , $ 59.0 million and $ 41.8 million for the years ended december 31 , 2015 , 2014 and 2013 , respectively , under non-cancelable operating lease agreements . included in these amounts was contingent rent expense of $ 11.0 million , $ 11.0 million and $ 7.8 million for the years ended december 31 , 2015 , 2014 and 2013 , respectively . sports marketing and other commitments within the normal course of business , the company enters into contractual commitments in order to promote the company 2019s brand and products . these commitments include sponsorship agreements with teams and athletes on the collegiate and professional levels , official supplier agreements , athletic event sponsorships and other marketing commitments . the following is a schedule of the company 2019s future minimum payments under its sponsorship and other marketing agreements as of december 31 , 2015 , as well as significant sponsorship and other marketing agreements entered into during the period after december 31 , 2015 through the date of this report : ( in thousands ) .

$ 126488: 2017: 138607
2018: 137591
2019: 98486
2020: 67997
2021 and thereafter: 289374
total future minimum sponsorship and other payments: 858543

the amounts listed above are the minimum compensation obligations and guaranteed royalty fees required to be paid under the company 2019s sponsorship and other marketing agreements . the amounts listed above do not include additional performance incentives and product supply obligations provided under certain agreements . it is not possible to determine how much the company will spend on product supply obligations on an annual basis as contracts generally do not stipulate specific cash amounts to be spent on products . the amount of product provided to the sponsorships depends on many factors including general playing conditions , the number of sporting events in which they participate and the company 2019s decisions regarding product and marketing initiatives . in addition , the costs to design , develop , source and purchase the products furnished to the endorsers are incurred over a period of time and are not necessarily tracked separately from similar costs incurred for products sold to customers . in connection with various contracts and agreements , the company has agreed to indemnify counterparties against certain third party claims relating to the infringement of intellectual property rights and other items . generally , such indemnification obligations do not apply in situations in which the counterparties are grossly negligent , engage in willful misconduct , or act in bad faith . based on the company 2019s historical experience and the estimated probability of future loss , the company has determined that the fair value of such indemnifications is not material to its consolidated financial position or results of operations . from time to time , the company is involved in litigation and other proceedings , including matters related to commercial and intellectual property disputes , as well as trade , regulatory and other claims related to its business . the company believes that all current proceedings are routine in nature and incidental to the conduct of its business , and that the ultimate resolution of any such proceedings will not have a material adverse effect on its consolidated financial position , results of operations or cash flows . following the company 2019s announcement of the creation of a new class of common stock , referred to as the class c common stock , par value $ 0.0003 1/3 per share , four purported class action lawsuits were brought .

Questions:
as of december 31, 2015, what was the amount of the future minimum payments due in 2016?
and what was the total of those payments?
what percentage, then, of this total did that amount represent?
and between that year of 2015 and the year before, what was the variation in the rent expense included in the selling, general and administrative expense?
and what is this variation as a percent of that rent expense in 2014?

Answers:
126488
858543
14.7%
24
41%