2708.33% is the change from 12 to 337
Calculation steps:
[( 337 - 12 ) ÷ 12] x 100 = 2708.33%
Formula
Percentage change = [(337 - 12) / 12] x 100
Subtract the new number by the original number
337 - 12 = 325
325 ÷ 12 = 27.083333333333332
27.083333333333332 x 100 = 2708.33%