"upward review" refers to evaluating something, such as a performance or a situation, with the aim of improving or increasing it. It involves looking at things from a higher perspective and making changes to make it better. Full definition
For example, he discusses one law firm's initiative involving upward reviews, where associates have a chance to rate partners. (legalblogwatch.typepad.com)
The Federal Government has said it has constituted a committee for upward review of minimum wage for workers to enhance the living standards of the citizens... (dailypost.ng)
The Lagos State government has confirmed that Commuters using the LAGBUS and Bus Rapid Transit (BRT) buses in Lagos will pay more from March 1, following the Lagos State Government's approval of upward review in their fares. (nigeriapoliticsonline.com)