Change the variation price with FROM: ----

functions.php

<?php

add_filter( 'woocommerce_get_price_html', 'ywsbs_woocommerce_get_variation_price_html', 99, 2 );
add_filter( 'woocommerce_get_variation_price_html', 'ywsbs_woocommerce_get_variation_price_html', 99, 2 );
function ywsbs_woocommerce_get_variation_price_html( $price, $product  ){

	if ( ! $product->is_type('variable') ){
		return $price;
	}
	$prefix = sprintf('%s: ', __('From', 'iconic'));

	$min_price_regular = $product->get_variation_regular_price( 'min', true );
	$min_price_sale    = $product->get_variation_sale_price( 'min', true );
	$max_price = $product->get_variation_price( 'max', true );
	$min_price = $product->get_variation_price( 'min', true );

	$price = ( $min_price_sale == $min_price_regular ) ?
		wc_price( $min_price_regular ) :
		'<del>' . wc_price( $min_price_regular ) . '</del>' . '<ins>' . wc_price( $min_price_sale ) . '</ins>';

	return ( $min_price == $max_price ) ?
		$price :
		sprintf('%s%s', $prefix, $price);

}