2.25% is the change from 799 to 817
Calculation steps:
[( 817 - 799 ) ÷ 799] x 100 = 2.25%
Formula
Percentage change = [(817 - 799) / 799] x 100
Subtract the new number by the original number
817 - 799 = 18
18 ÷ 799 = 0.02252816020025031
0.02252816020025031 x 100 = 2.25%