18% is the change from 639 to 754
Calculation steps:
[( 754 - 639 ) ÷ 639] x 100 = 18%
Formula
Percentage change = [(754 - 639) / 639] x 100
Subtract the new number by the original number
754 - 639 = 115
115 ÷ 639 = 0.17996870109546165
0.17996870109546165 x 100 = 18%