JSFiddle - React, Tailwind, and code Playground
JavaScript
var p1 = {
x: 848,
y: -12
};
var p2 = {
x: -58,
y: 383
};
// angle in radians
var angleRadians = Math.atan2(p2.y - p1.y, p2.x - p1.x);
// angle in degrees
var angleDeg = Math.atan2(p2.y - p1.y, p2.x - p1.x) * 180 / Math.PI;
alert(angleDeg);