25.82% is the change from 639 to 804
Calculation steps:
[( 804 - 639 ) ÷ 639] x 100 = 25.82%
Formula
Percentage change = [(804 - 639) / 639] x 100
Subtract the new number by the original number
804 - 639 = 165
165 ÷ 639 = 0.25821596244131456
0.25821596244131456 x 100 = 25.82%