a black-scholes option-pricing model was used for purposes of estimating the fair value of state street 2019s employee stock options at the grant date . the following were the weighted average assumptions for the years ended december 31 , 2001 , 2000 and 1999 , respectively : risk-free interest rates of 3.99% ( 3.99 % ) , 5.75% ( 5.75 % ) and 5.90% ( 5.90 % ) ; dividend yields of 1.08% ( 1.08 % ) , .73% ( .73 % ) and .92% ( .92 % ) ; and volatility factors of the expected market price of state street common stock of .30 , .30 and .30 . the estimated weighted average life of the stock options granted was 4.1 years for the years ended december 31 , 2001 , 2000 and 1999 . o t h e r u n r e a l i z e d c o m p r e h e n s i v e i n c o m e ( l o s s ) at december 31 , the components of other unrealized comprehensive income ( loss ) , net of related taxes , were as follows: .

2001: unrealized gain on available-for-sale securities: 96
foreign currency translation: -27
other: 1
total: 70
2000: unrealized gain on available-for-sale securities: 19
foreign currency translation: -20
total: -1

note j shareholders 2019 rights plan in 1988 , state street declared a dividend of one preferred share purchase right for each outstanding share of common stock . in 1998 , the rights agreement was amended and restated , and in 2001 , the rights plan was impacted by the 2-for-1 stock split . accordingly , a right may be exercised , under certain conditions , to purchase one eight-hundredths share of a series of participating preferred stock at an exercise price of $ 132.50 , subject to adjustment . the rights become exercisable if a party acquires or obtains the right to acquire 10% ( 10 % ) or more of state street 2019s common stock or after commencement or public announcement of an offer for 10% ( 10 % ) or more of state street 2019s common stock . when exercisable , under certain conditions , each right entitles the holder thereof to purchase shares of common stock , of either state street or of the acquirer , having a market value of two times the then-current exercise price of that right . the rights expire in september 2008 , and may be redeemed at a price of $ .00125 per right , subject to adjustment , at any time prior to expiration or the acquisition of 10% ( 10 % ) of state street 2019s common stock . under certain circumstances , the rights may be redeemed after they become exercisable and may be subject to automatic redemption . note k regulatory matters r e g u l a t o r y c a p i t a l state street is subject to various regulatory capital requirements administered by federal banking agencies . failure to meet minimum capital requirements can initiate certain mandatory and discretionary actions by regulators that , if undertaken , could have a direct material effect on state street 2019s financial condition . under capital adequacy guidelines , state street must meet specific capital guidelines that involve quantitative measures of state street 2019s assets , liabilities and off-balance sheet items as calculated under regulatory accounting practices . state street 2019s capital amounts and classification are subject to qualitative judgments by the regulators about components , risk weightings and other factors . 42 state street corporation .

Questions:
what was the change in unrealized gains from 2000 to 2001?
and what were those gains in 2000?
how much, then, does that change represent in relation to these 2000 unrealized gains, in percentage?

Answers:
77
19
4.053