0.99% is the change from 811 to 819
Calculation steps:
[( 819 - 811 ) ÷ 811] x 100 = 0.99%
Formula
Percentage change = [(819 - 811) / 811] x 100
Subtract the new number by the original number
819 - 811 = 8
8 ÷ 811 = 0.009864364981504316
0.009864364981504316 x 100 = 0.99%