{"pre_text": ["pension expense ."], "post_text": ["pension expense decreased from the prior year due to lower pension settlements , lower loss amortization , primarily from favorable asset experience and the impact of higher discount rates , partially offset by lower expected returns on assets .", "special items ( settlements , termination benefits , and curtailments ) decreased from the prior year primarily due to lower pension settlement losses .", "in fiscal year 2019 , special items of $ 7.2 included pension settlement losses of $ 6.4 , of which $ 5.0 was recorded during the second quarter and related to the u.s .", "supplementary pension plan , and $ .8 of termination benefits .", "these amounts are reflected within \"other non- operating income ( expense ) , net\" on the consolidated income statements .", "in fiscal year 2018 , special items of $ 48.9 included a pension settlement loss of $ 43.7 primarily in connection with the transfer of certain pension assets and payment obligations for our u.s .", "salaried and hourly plans to an insurer during the fourth quarter , $ 4.8 of pension settlement losses related to lump sum payouts from the u.s .", "supplementary pension plan , and $ .4 of termination benefits .", "u.k .", "lloyds equalization ruling on 26 october 2018 , the united kingdom high court issued a ruling related to the equalization of pension plan participants 2019 benefits for the gender effects of guaranteed minimum pensions .", "as a result of this ruling , we estimated the impact of retroactively increasing benefits in our u.k .", "plan in accordance with the high court ruling .", "we treated the additional benefits as a prior service cost , which resulted in an increase to our projected benefit obligation and accumulated other comprehensive loss of $ 4.7 during the first quarter of fiscal year 2019 .", "we are amortizing this cost over the average remaining life expectancy of the u.k .", "participants .", "2020 outlook in fiscal year 2020 , we expect pension expense to be approximately $ 5 to $ 20 , which includes expected pension settlement losses of $ 5 to $ 10 , depending on the timing of retirements .", "the expected range reflects lower expected interest cost and higher total assets , partially offset by higher expected loss amortization primarily due to the impact of lower discount rates .", "in fiscal year 2020 , we expect pension expense to include approximately $ 105 for amortization of actuarial losses .", "in fiscal year 2019 , pension expense included amortization of actuarial losses of $ 76.2 .", "net actuarial losses of $ 424.4 were recognized in accumulated other comprehensive income in fiscal year 2019 .", "actuarial ( gains ) losses are amortized into pension expense over prospective periods to the extent they are not offset by future gains or losses .", "future changes in the discount rate and actual returns on plan assets different from expected returns would impact the actuarial ( gains ) losses and resulting amortization in years beyond fiscal year 2020 .", "pension funding pension funding includes both contributions to funded plans and benefit payments for unfunded plans , which are primarily non-qualified plans .", "with respect to funded plans , our funding policy is that contributions , combined with appreciation and earnings , will be sufficient to pay benefits without creating unnecessary surpluses .", "in addition , we make contributions to satisfy all legal funding requirements while managing our capacity to benefit from tax deductions attributable to plan contributions .", "with the assistance of third-party actuaries , we analyze the liabilities and demographics of each plan , which help guide the level of contributions .", "during 2019 and 2018 , our cash contributions to funded plans and benefit payments for unfunded plans were $ 40.2 and $ 68.3 , respectively .", "for fiscal year 2020 , cash contributions to defined benefit plans are estimated to be $ 30 to $ 40 .", "the estimate is based on expected contributions to certain international plans and anticipated benefit payments for unfunded plans , which are dependent upon the timing of retirements .", "actual future contributions will depend on future funding legislation , discount rates , investment performance , plan design , and various other factors .", "refer to the contractual obligations discussion on page 37 for a projection of future contributions. ."], "table": [["", "2019", "2018"], ["pension expense including special items noted below", "$ 27.6", "$ 91.8"], ["settlements termination benefits and curtailments ( \"special items\" )", "7.2", "48.9"], ["weighted average discount rate 2013 service cost", "3.4% ( 3.4 % )", "3.2% ( 3.2 % )"], ["weighted average discount rate 2013 interest cost", "3.4% ( 3.4 % )", "2.9% ( 2.9 % )"], ["weighted average expected rate of return on plan assets", "6.4% ( 6.4 % )", "6.9% ( 6.9 % )"], ["weighted average expected rate of compensation increase", "3.5% ( 3.5 % )", "3.5% ( 3.5 % )"]], "table_ori": [["", "2019", "2018"], ["Pension expense, including special items noted below", "$27.6", "$91.8"], ["Settlements, termination benefits, and curtailments (\"special items\")", "7.2", "48.9"], ["Weighted average discount rate – Service cost", "3.4%", "3.2%"], ["Weighted average discount rate – Interest cost", "3.4%", "2.9%"], ["Weighted average expected rate of return on plan assets", "6.4%", "6.9%"], ["Weighted average expected rate of compensation increase", "3.5%", "3.5%"]]}

Question: considering the years 2018-2019 , what is the decrease observed in the pension expenses?
Evidence:
table_1: the pension expense including special items noted below of 2019 is $ 27.6 ; the pension expense including special items noted below of 2018 is $ 91.8 ;
Program: subtract(91.8, 27.6)
Answer:
str_answer: 64.2
exe_answer: 64.2