20.24% is the change from 830 to 998
Calculation steps:
[( 998 - 830 ) ÷ 830] x 100 = 20.24%
Formula
Percentage change = [(998 - 830) / 830] x 100
Subtract the new number by the original number
998 - 830 = 168
168 ÷ 830 = 0.20240963855421687
0.20240963855421687 x 100 = 20.24%