considering the years 2017 and 2018 , what was the increase observed in the net capitalized costs?
eog resources , inc . supplemental information to consolidated financial statements ( continued ) capitalized costs relating to oil and gas producing activities . the following table sets forth the capitalized costs relating to eog's crude oil and natural gas producing activities at december 31 , 2018 and 2017: .

|  | 2018 | 2017 |
| :--- | :--- | :--- |
| Proved properties | $53,624,809 | $48,845,672 |
| Unproved properties | 3,705,207 | 3,710,069 |
| Total | 57,330,016 | 52,555,741 |
| Accumulated depreciation, depletion and amortization | (31,674,085) | (29,191,247) |
| Net capitalized costs | $25,655,931 | $23,364,494 |

costs incurred in oil and gas property acquisition , exploration and development activities . the acquisition , exploration and development costs disclosed in the following tables are in accordance with definitions in the extractive industries - oil and gas topic of the accounting standards codification ( asc ) . acquisition costs include costs incurred to purchase , lease or otherwise acquire property . exploration costs include additions to exploratory wells , including those in progress , and exploration expenses . development costs include additions to production facilities and equipment and additions to development wells , including those in progress. .

capitalized_costs_2018 = 25655931
capitalized_costs_2017 = 23364494
percent_change = (capitalized_costs_2018 - capitalized_costs_2017) / capitalized_costs_2017
answer = percent_change * 100