CODE EXAMPLE FOR JAVASCRIPT

get props from methods in vue

{{ this.calcPercentage(card.w_lessons.length,card.w_lessons_count) }}
            -
{{ Math.floor((card.w_lessons.length/card.w_lessons_count)*100) + "%" }}


methods: {
  calcPercentage(lesson, all){
    return Math.floor((lesson/all)*100) + "%";
  }
},
props: {
  car: Object,
},