Created decorators for energy management charts to divide values by 100, and modified the intervals.

lib/utils/helpers/safe_division_helper.dart

@@ -0,0 +1,8 @@
+abstract final class SafeDivisionHelper {
+  const SafeDivisionHelper._();
+
+  static double divide(num value, num divider) {
+    if (divider == 0) return 0;
+    return value / divider;
+  }
+}