.per-page{'ng-show' => '!RequestMonitor.loading && orders.length > 0'}
  %input.per-page-select.ofn-select2{type: 'number', data: 'per_page_options', 'ng-model' => 'per_page'}

  %span.per-page-feedback
    {{ 'spree.admin.orders.index.results_found' | t:{number: pagination.results} }}
    {{ 'spree.admin.orders.index.viewing' | t:{start: ((pagination.page -1) * pagination.per_page) +1, end: ((pagination.page -1) * pagination.per_page) + orders.length} }}

.per-page{'ng-show' => '!RequestMonitor.loading && orders.length > 0'}
  %input.per-page-select.ofn-select2{type: 'number', data: 'per_page_options', 'ng-model' => 'per_page', 'ng-change' => 'fetchResults()'}

  %span.per-page-feedback
    {{ 'spree.admin.orders.index.results_found' | t:{number: pagination.results} }}
    {{ 'spree.admin.orders.index.viewing' | t:{start: ((pagination.page -1) * pagination.per_page) +1, end: ((pagination.page -1) * pagination.per_page) + orders.length} }}

Update results on dropdown select
Update results on dropdown select
