152 the pnc financial services group , inc .
2013 form 10-k in addition to the proceedings or other matters described above , pnc and persons to whom we may have indemnification obligations , in the normal course of business , are subject to various other pending and threatened legal proceedings in which claims for monetary damages and other relief are asserted .
we do not anticipate , at the present time , that the ultimate aggregate liability , if any , arising out of such other legal proceedings will have a material adverse effect on our financial position .
however , we cannot now determine whether or not any claims asserted against us or others to whom we may have indemnification obligations , whether in the proceedings or other matters described above or otherwise , will have a material adverse effect on our results of operations in any future reporting period , which will depend on , among other things , the amount of the loss resulting from the claim and the amount of income otherwise reported for the reporting period .
note 20 commitments in the normal course of business , we have various commitments outstanding , certain of which are not included on our consolidated balance sheet .
the following table presents our outstanding commitments to extend credit along with significant other commitments as of december 31 , 2017 and december 31 , 2016 , respectively .
table 98 : commitments to extend credit and other commitments in millions december 31 december 31 .

In millions
December 31 2017
December 31 2016
Commitments to extend credit
Total commercial lending
$112,125
$108,256
Home equity lines of credit
17,852
17,438
Credit card
24,911
22,095
Other
4,753
4,192
Total commitments to extend credit
159,641
151,981
Net outstanding standby letters ofcredit (a)
8,651
8,324
Reinsurance agreements (b)
1,654
1,835
Standby bond purchase agreements (c)
843
790
Other commitments (d)
1,732
967
Total commitments to extendcredit and other commitments
$172,521
$163,897

commitments to extend credit , or net unfunded loan commitments , represent arrangements to lend funds or provide liquidity subject to specified contractual conditions .
these commitments generally have fixed expiration dates , may require payment of a fee , and contain termination clauses in the event the customer 2019s credit quality deteriorates .
net outstanding standby letters of credit we issue standby letters of credit and share in the risk of standby letters of credit issued by other financial institutions , in each case to support obligations of our customers to third parties , such as insurance requirements and the facilitation of transactions involving capital markets product execution .
approximately 91% ( 91 % ) and 94% ( 94 % ) of our net outstanding standby letters of credit were rated as pass as of december 31 , 2017 and december 31 , 2016 , respectively , with the remainder rated as below pass .
an internal credit rating of pass indicates the expected risk of loss is currently low , while a rating of below pass indicates a higher degree of risk .
if the customer fails to meet its financial or performance obligation to the third party under the terms of the contract or there is a need to support a remarketing program , then upon a draw by a beneficiary , subject to the terms of the letter of credit , we would be obligated to make payment to them .
the standby letters of credit outstanding on december 31 , 2017 had terms ranging from less than one year to seven years .
as of december 31 , 2017 , assets of $ 1.3 billion secured certain specifically identified standby letters of credit .
in addition , a portion of the remaining standby letters of credit issued on behalf of specific customers is also secured by collateral or guarantees that secure the customers 2019 other obligations to us .
the carrying amount of the liability for our obligations related to standby letters of credit and participations in standby letters of credit was $ .2 billion at december 31 , 2017 and is included in other liabilities on our consolidated balance sheet. .

Question: Analyse this data from a financial earnings document. what was the change in the total commitments to extend credit from 2016 top 2017
Choices:
-159640.9496
-0.0504
0.0504
2.0504
-0.9452
Correct choice index: 2