18.18% is the change from 638 to 754
Calculation steps:
[( 754 - 638 ) ÷ 638] x 100 = 18.18%
Formula
Percentage change = [(754 - 638) / 638] x 100
Subtract the new number by the original number
754 - 638 = 116
116 ÷ 638 = 0.18181818181818182
0.18181818181818182 x 100 = 18.18%