Table:
| Grant Date | Exercise Date | Expiry Date | Exercise Price $ | No. of Options at Beg. of Year | Options Exercised or Lapsed | No. of Options at End of Year |
| --- | --- | --- | --- | --- | --- | --- |
| 2 Jul 2012 | 2 Jul 2015 | 2 Jul 2017 | 0.92 | 40,000 | (40,000) | - |
| 2 Jul 2013 | 2 Jul 2016 | 30 Sept 2018 1 | 0.92 | 295,000 | (220,000) | 75,000 |
| 2 Jul 2014 | 2 Jul 2017 | 2 Jul 2019 | 1.30 | 875,000 | (405,000) | 470,000 |
| 2 Jul 2015 | 2 Jul 2018 | 2 Jul 2020 | 2.67 | 1,000,000 | - | 1,000,000 |
| 22 Dec 2016 | 31 Aug 2019 | 22 Dec 2021 | 3.59 | 1,323,730 | - | 1,323,730 |
| Total |  |  |  | 3,533,730 | (665,000) | 2,868,730 |
| Weighted average exercise price |  |  |  |  | $1.15 | $2.82 |
Paragraphs:
Movement of options during the year ended 30 June 2018:
The weighted average fair value of options granted during the year was nil (2018: nil) as there were none issued during the year.
The weighted average share price for share options exercised during the period was $3.57 (2018: $3.90).
The weighted average remaining contractual life for share options outstanding at the end of the period was 1.68 years (2018: 2.47 years).
The weighted average remaining contractual life for share options outstanding at the end of the period was 1.68 years (2018: 2.47 years).
Question:
What was the total percentage change in exercise price between 2014 and 2016?
Answer: (3.59 - 1.30) / 1.30  = 176.15