tip the scale

verb2

1. •
   To weigh (have a certain weight).

   • was kindly called to account by the good doctor when her nine-months'-old baby tipped the scales at barely twelve pounds. — 1917
2. •
   To change the fortunes, either positively or negatively.

   • The priest went on to say that God tipped the scales in favor of hope "through the resurrection of our crucified divine brother Jesus." — 2007