26.02% is the change from 638 to 804
Calculation steps:
[( 804 - 638 ) ÷ 638] x 100 = 26.02%
Formula
Percentage change = [(804 - 638) / 638] x 100
Subtract the new number by the original number
804 - 638 = 166
166 ÷ 638 = 0.2601880877742947
0.2601880877742947 x 100 = 26.02%