107.69% is the change from 13 to 27
Calculation steps:
[( 27 - 13 ) ÷ 13] x 100 = 107.69%
Formula
Percentage change = [(27 - 13) / 13] x 100
Subtract the new number by the original number
27 - 13 = 14
14 ÷ 13 = 1.0769230769230769
1.0769230769230769 x 100 = 107.69%