5.38% is the change from 800 to 843
Calculation steps:
[( 843 - 800 ) ÷ 800] x 100 = 5.38%
Formula
Percentage change = [(843 - 800) / 800] x 100
Subtract the new number by the original number
843 - 800 = 43
43 ÷ 800 = 0.05375
0.05375 x 100 = 5.38%
Example