It is: 396/528 times 100 = 75%
75%
132, 264, 396, 528, 660, 792, 924 +132 . . .
66, 132, 198, 264, 330, 396, 462, 528, 594, 660, . . .
multiples of 66: 66 132 198 264 330 396 462 528 594 660
44, 88, 132, 176, 220, 264, 308, 352, 396, 440, 484, 528.
44, 88, 132, 176, 220, 264, 308, 352, 396, 440, 484, 528, 572, 616, . . .
All multiples of 132 (which are infinite) including 132, 264, 396, 528, 660, 792, 924, 1056 . . .
44 88 132 176 220 264 308 352 396 440 484 528 572 616
36, 72, 108, 144, 180, 216, 252, 288, 324, 360, 396, 432, 468, . . . 132, 264, 396, 528, 660, 792, 924, 1056, 1188, 1320, 1452, 1584, 1716, . . .
10.4
.322
3384