2833.33% is the change from 12 to 352
Calculation steps:
[( 352 - 12 ) ÷ 12] x 100 = 2833.33%
Formula
Percentage change = [(352 - 12) / 12] x 100
Subtract the new number by the original number
352 - 12 = 340
340 ÷ 12 = 28.333333333333332
28.333333333333332 x 100 = 2833.33%