2569.23% is the change from 13 to 347
Calculation steps:
[( 347 - 13 ) ÷ 13] x 100 = 2569.23%
Formula
Percentage change = [(347 - 13) / 13] x 100
Subtract the new number by the original number
347 - 13 = 334
334 ÷ 13 = 25.692307692307693
25.692307692307693 x 100 = 2569.23%