<% record.audited_changes.each do |key, values| %> <% end %>

Aluno	Campo	Antigo valor	Novo valor
<%= record.auditable.student.name %>	<%= record.human_attribute_name key %>	<%= raw record.parse(key.to_sym, values, :first) %>	<%= raw record.parse(key.to_sym, values, :last) %>