0.38% is the change from 797 to 800
Calculation steps:
[( 800 - 797 ) ÷ 797] x 100 = 0.38%
Formula
Percentage change = [(800 - 797) / 797] x 100
Subtract the new number by the original number
800 - 797 = 3
3 ÷ 797 = 0.0037641154328732747
0.0037641154328732747 x 100 = 0.38%