Steps to reproduce:{}

1. install default installation, configure/discover 1x snmp network device
2. Enable percentile [left] for template Interfaces SNMP on the sent/received bits
3. Configure y-Axis side (left) for items sent/received bits
4. Configure y-Axis side (right) for all other items

wrong y-axis-side:

1. y-axis-side left/right is not saved and reverts to left for all items

percentile not human readable

1. Percentile is displayed correctly with indication Mbps/Gbps if sent/received item function types are configured as [max]
2. Percentile is displayed as integer only value without any indication of Mbps/Gbps if sent/received item function types are configured as [all] 

Result:
See screenshot...
See log file...
See memory dump...
Expected:
See screenshot....
See attached patch file...