25.04% is the change from 639 to 799
Calculation steps:
[( 799 - 639 ) ÷ 639] x 100 = 25.04%
Formula
Percentage change = [(799 - 639) / 639] x 100
Subtract the new number by the original number
799 - 639 = 160
160 ÷ 639 = 0.25039123630672927
0.25039123630672927 x 100 = 25.04%