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.
French Translation
Vos tours et pièges infligent <Highlight>{{ATTACK_DAMAGE_CHANGE_PERCENT:percent}}%</> de dégâts bonus par niveau qu’ils ont, mais ils nécessitent <N_Highlight>{{REQUIRED_TOWER_EXP_CHANGE_PERCENT:percent}}%</> d’expérience en plus pour monter de niveau.