3.36% is the change from 803 to 830
Calculation steps:
[( 830 - 803 ) ÷ 803] x 100 = 3.36%
Formula
Percentage change = [(830 - 803) / 803] x 100
Subtract the new number by the original number
830 - 803 = 27
27 ÷ 803 = 0.033623910336239106
0.033623910336239106 x 100 = 3.36%