223.08% is the change from 13 to 42
Calculation steps:
[( 42 - 13 ) ÷ 13] x 100 = 223.08%
Formula
Percentage change = [(42 - 13) / 13] x 100
Subtract the new number by the original number
42 - 13 = 29
29 ÷ 13 = 2.230769230769231
2.230769230769231 x 100 = 223.08%