2923.08% is the change from 13 to 393
Calculation steps:
[( 393 - 13 ) ÷ 13] x 100 = 2923.08%
Formula
Percentage change = [(393 - 13) / 13] x 100
Subtract the new number by the original number
393 - 13 = 380
380 ÷ 13 = 29.23076923076923
29.23076923076923 x 100 = 2923.08%