English (Source)
Your towers and traps deal <Highlight>{{ATTACK_DAMAGE_CHANGE_PERCENT:percent}}%</> bonus damage for each level they have, but they require <N_Highlight>{{REQUIRED_TOWER_EXP_CHANGE_PERCENT:percent}}%</> more experience to level up.
Portuguese Translation
Suas torres e armadilhas causam <Highlight>{{ATTACK_DAMAGE_CHANGE_PERCENT:percent}}%</> de dano bônus para cada nível que tiverem, mas exigem <N_Highlight>{{REQUIRED_TOWER_EXP_CHANGE_PERCENT:percent}}%</> mais experiência para subir de nível.