1.11% is the change from 812 to 821
Calculation steps:
[( 821 - 812 ) ÷ 812] x 100 = 1.11%
Formula
Percentage change = [(821 - 812) / 812] x 100
Subtract the new number by the original number
821 - 812 = 9
9 ÷ 812 = 0.011083743842364532
0.011083743842364532 x 100 = 1.11%