0.97% is the change from 822 to 830
Calculation steps:
[( 830 - 822 ) ÷ 822] x 100 = 0.97%
Formula
Percentage change = [(830 - 822) / 822] x 100
Subtract the new number by the original number
830 - 822 = 8
8 ÷ 822 = 0.009732360097323601
0.009732360097323601 x 100 = 0.97%