Highest percentage of all out ODI total contributed by 2 batsmen

85.88% (146 out of 170) Pakistan v West Indies at The Oval, 2013
Misbah-ul-Haq (96*) and Nasir Jamshed (50)
85.36% (175 out of 205) India v Australia at The Oval, 1999
AD Jadeja (100) and RR Singh (75)
82.91% (199 out of 240) England v Pakistan at Lord's, 2001
ME Trescothick (137) and OA Shah (62)
82.00% (196 out of 239) Zimbabwe v New Zealand at Hyderabad, 1987/88
DL Houghton (142) and IP Butchart (54)
77.16% (125 out of 162) Pakistan v Australia at Melbourne, 1989/90
Wasim Akram (86) and Salim Malik (39)

The Test record is:
85.13% (126 out of 148) South Africa v West Indies at Bridgetown, 1991/92
KC Wessels (74) and PN Kirsten (52)