3807.69% is the change from 13 to 508
Calculation steps:
[( 508 - 13 ) ÷ 13] x 100 = 3807.69%
Formula
Percentage change = [(508 - 13) / 13] x 100
Subtract the new number by the original number
508 - 13 = 495
495 ÷ 13 = 38.07692307692308
38.07692307692308 x 100 = 3807.69%