asPercent: accommodate an extra case
asPercent: accommodate an extra case

raintank/metrictank,replay/metrictank,raintank/metrictank,raintank/raintank-metric,raintank/raintank-metric,raintank/metrictank,replay/metrictank,raintank/raintank-metric,raintank/metrictank,replay/metrictank,replay/metrictank