307.69% is the change from 13 to 53
Calculation steps:
[( 53 - 13 ) ÷ 13] x 100 = 307.69%
Formula
Percentage change = [(53 - 13) / 13] x 100
Subtract the new number by the original number
53 - 13 = 40
40 ÷ 13 = 3.076923076923077
3.076923076923077 x 100 = 307.69%