130.77% is the change from 13 to 30
Calculation steps:
[( 30 - 13 ) ÷ 13] x 100 = 130.77%
Formula
Percentage change = [(30 - 13) / 13] x 100
Subtract the new number by the original number
30 - 13 = 17
17 ÷ 13 = 1.3076923076923077
1.3076923076923077 x 100 = 130.77%