percentage pay; commission-based pay
A compensation system where pay is calculated as a percentage of sales or revenue, common in sales roles.
Sales positions often have commission-based pay.
His income varies greatly because of the commission system.
出来高払い is piecework pay based on output quantity, whereas 歩合給 is typically a percentage of monetary sales.
Compound of 歩合 (percentage, commission) and 給 (pay, salary).