1.63% is the change from 800 to 813
Calculation steps:
[( 813 - 800 ) ÷ 800] x 100 = 1.63%
Formula
Percentage change = [(813 - 800) / 800] x 100
Subtract the new number by the original number
813 - 800 = 13
13 ÷ 800 = 0.01625
0.01625 x 100 = 1.63%
Example