2825% is the change from 12 to 351
Calculation steps:
[( 351 - 12 ) ÷ 12] x 100 = 2825%
Formula
Percentage change = [(351 - 12) / 12] x 100
Subtract the new number by the original number
351 - 12 = 339
339 ÷ 12 = 28.25
28.25 x 100 = 2825%
Example