<div class="box"></div>

.box {
        width: 700px;
        height: 506.5px;
        background-color: bisque;
        clip-path: polygon(
          100% 70%,
          85% 100%,
          24% 100%,
          2.041213% 70.018119%,
          1.336888% 69.044718%,
          0.765568% 67.917077%,
          0.344613% 66.669458%,
          0.086812% 65.339768%,
          0 63.96841%,
          0.104878% 2.046346%,
          0.409249% 1.220773%,
          0.883317% 0.565596%,
          1.480677% 0.144945%,
          2.142857% 0,
          100% 36%
        );
      }