i was testing in my Lab
I have 2 office and have X amount of bandwidth they need to be split in to 30% for second office 70% for First office :
access-list 110 permit ip any 10.10.0.0/24
access-list 120 permit ip any 20.20.0.0/24
class-map office1
match access-group 110
class-map office2
match access-group 120
policy-map groupoffice
class office1
shape average 3000000
bandwidth percent 30
class office2
bandwidth percent 70
exit
policy-map totalbandwidth
class class-default
shape average 10000000
service-policy groupoffice
exit
interface Gig0/0
service-policy output totalbandwidth
There may be some Limitation please refer IOS version reference document.
Happy Labbing !!!!!