faster

#!/usr/bin/env perl6

sub MAIN($before, $after) {
    my $pct = 100 * ($before - $after) / $before;
    say abs($pct).fmt: "%9.2f%% {$pct < 0 ?? "more" !! "less"} time";
    say $pct < 0 ?? ($after / $before).fmt("%9.2f  times slower")
                 !! ($before / $after).fmt("%9.2f  times faster");
}