4.75% is the change from 800 to 838
Calculation steps:
[( 838 - 800 ) ÷ 800] x 100 = 4.75%
Formula
Percentage change = [(838 - 800) / 800] x 100
Subtract the new number by the original number
838 - 800 = 38
38 ÷ 800 = 0.0475
0.0475 x 100 = 4.75%
Example