JSFiddle - React, Tailwind, and code Playground

JavaScript

for (var i = -15; i < 1; i++) { 
   var missChance = 5.6;
   if (i < -10) {
      missChance -= ((i + 10) * 0.4 - 1);
   } else {
      missChance -=  i * 0.1;
   }
   console.log((315 + i) + ' = ' + Math.ceil(missChance.toFixed(1)));
}