Gravity Wiz // Gravity Forms // Display Navigation as "Step {currentPage} of {totalPages}"

gw-gravity-forms-page-navigation-step-n-of-x.php

<?php
/**
 * Gravity Wiz // Gravity Forms // Display Navigation as "Step {currentPage} of {totalPages}"
 * http://gravitywiz.com/
 */
add_filter( 'gform_progress_steps', function( $progress_steps, $form, $page ) {

	$page = GFFormDisplay::get_current_page( $form['id'] );

	$progress_steps = sprintf( 'Step %d of %d', $page, GFFormDisplay::get_max_page_number( $form ) );

	return $progress_steps;
}, 10, 3 );