2583.33% is the change from 12 to 322
Calculation steps:
[( 322 - 12 ) ÷ 12] x 100 = 2583.33%
Formula
Percentage change = [(322 - 12) / 12] x 100
Subtract the new number by the original number
322 - 12 = 310
310 ÷ 12 = 25.833333333333332
25.833333333333332 x 100 = 2583.33%