2183.33% is the change from 12 to 274
Calculation steps:
[( 274 - 12 ) ÷ 12] x 100 = 2183.33%
Formula
Percentage change = [(274 - 12) / 12] x 100
Subtract the new number by the original number
274 - 12 = 262
262 ÷ 12 = 21.833333333333332
21.833333333333332 x 100 = 2183.33%