2907.69% is the change from 13 to 391
Calculation steps:
[( 391 - 13 ) ÷ 13] x 100 = 2907.69%
Formula
Percentage change = [(391 - 13) / 13] x 100
Subtract the new number by the original number
391 - 13 = 378
378 ÷ 13 = 29.076923076923077
29.076923076923077 x 100 = 2907.69%