3091.67% is the change from 12 to 383
Calculation steps:
[( 383 - 12 ) ÷ 12] x 100 = 3091.67%
Formula
Percentage change = [(383 - 12) / 12] x 100
Subtract the new number by the original number
383 - 12 = 371
371 ÷ 12 = 30.916666666666668
30.916666666666668 x 100 = 3091.67%