{"pre_text": ["notes to consolidated financial statements 2013 ( continued ) ( amounts in millions , except per share amounts ) the estimated future benefit payments expected to be paid are presented below .", "domestic pension plan foreign pension plans domestic postretirement benefit plan ."], "post_text": ["the estimated future payments for our domestic postretirement benefit plan are net of any estimated u.s .", "federal subsidies expected to be received under the medicare prescription drug , improvement and modernization act of 2003 , which total no more than $ 0.3 in any individual year .", "savings plans we sponsor defined contribution plans ( the 201csavings plans 201d ) that cover substantially all domestic employees .", "the savings plans permit participants to make contributions on a pre-tax and/or after-tax basis and allow participants to choose among various investment alternatives .", "we match a portion of participant contributions based upon their years of service .", "amounts expensed for the savings plans for 2018 , 2017 and 2016 were $ 52.6 , $ 47.2 and $ 47.0 , respectively .", "expenses include a discretionary company contribution of $ 6.7 , $ 3.6 and $ 6.1 offset by participant forfeitures of $ 5.8 , $ 4.6 and $ 4.4 in 2018 , 2017 and 2016 , respectively .", "in addition , we maintain defined contribution plans in various foreign countries and contributed $ 51.3 , $ 47.4 and $ 44.5 to these plans in 2018 , 2017 and 2016 , respectively .", "deferred compensation and benefit arrangements we have deferred compensation and benefit arrangements which ( i ) permit certain of our key officers and employees to defer a portion of their salary or incentive compensation or ( ii ) require us to contribute an amount to the participant 2019s account .", "these arrangements may provide participants with the amounts deferred plus interest upon attaining certain conditions , such as completing a certain number of years of service , attaining a certain age or upon retirement or termination .", "as of december 31 , 2018 and 2017 , the deferred compensation and deferred benefit liability balance was $ 196.2 and $ 213.2 , respectively .", "amounts expensed for deferred compensation and benefit arrangements in 2018 , 2017 and 2016 were $ 10.0 , $ 18.5 and $ 18.5 , respectively .", "we have purchased life insurance policies on participants 2019 lives to assist in the funding of the related deferred compensation and deferred benefit liabilities .", "as of december 31 , 2018 and 2017 , the cash surrender value of these policies was $ 177.3 and $ 177.4 , respectively .", "long-term disability plan we have a long-term disability plan which provides income replacement benefits to eligible participants who are unable to perform their job duties or any job related to his or her education , training or experience .", "as all income replacement benefits are fully insured , no related obligation is required as of december 31 , 2018 and 2017 .", "in addition to income replacement benefits , plan participants may remain covered for certain health and life insurance benefits up to normal retirement age , and accordingly , we have recorded an obligation of $ 5.9 and $ 8.4 as of december 31 , 2018 and 2017 , respectively. ."], "table": [["years", "domesticpension plan", "foreignpension plans", "domestic postretirementbenefit plan"], ["2019", "$ 14.5", "$ 21.7", "$ 3.0"], ["2020", "8.8", "18.7", "2.8"], ["2021", "8.0", "19.8", "2.6"], ["2022", "8.3", "20.9", "2.4"], ["2023", "7.8", "21.8", "2.2"], ["2024 - 2028", "36.7", "117.2", "9.8"]], "table_ori": [["Years", "DomesticPension Plan", "ForeignPension Plans", "Domestic PostretirementBenefit Plan"], ["2019", "$14.5", "$21.7", "$3.0"], ["2020", "8.8", "18.7", "2.8"], ["2021", "8.0", "19.8", "2.6"], ["2022", "8.3", "20.9", "2.4"], ["2023", "7.8", "21.8", "2.2"], ["2024 - 2028", "36.7", "117.2", "9.8"]]}

Question: what is the percentage decrease between the amounts expensed for deferred compensation and deferred benefit liability in 2017 and 2018?
Evidence:
text_12: as of december 31 , 2018 and 2017 , the deferred compensation and deferred benefit liability balance was $ 196.2 and $ 213.2 , respectively .
Program: subtract(213.2, 196.2), divide(#0, 213.2), multiply(#1, const_100)
Answer:
str_answer: 7.97%
exe_answer: 7.97373