76.92% is the change from 13 to 23
Calculation steps:
[( 23 - 13 ) ÷ 13] x 100 = 76.92%
Formula
Percentage change = [(23 - 13) / 13] x 100
Subtract the new number by the original number
23 - 13 = 10
10 ÷ 13 = 0.7692307692307693
0.7692307692307693 x 100 = 76.92%