2658.33% is the change from 12 to 331
Calculation steps:
[( 331 - 12 ) ÷ 12] x 100 = 2658.33%
Formula
Percentage change = [(331 - 12) / 12] x 100
Subtract the new number by the original number
331 - 12 = 319
319 ÷ 12 = 26.583333333333332
26.583333333333332 x 100 = 2658.33%