0.98% is the change from 820 to 828
Calculation steps:
[( 828 - 820 ) ÷ 820] x 100 = 0.98%
Formula
Percentage change = [(828 - 820) / 820] x 100
Subtract the new number by the original number
828 - 820 = 8
8 ÷ 820 = 0.00975609756097561
0.00975609756097561 x 100 = 0.98%