-1.34% is the change from 822 to 811
Calculation steps:
[( 811 - 822 ) ÷ 822] x 100 = -1.34%
Formula
Percentage change = [(811 - 822) / 822] x 100
Subtract the new number by the original number
811 - 822 = -11
-11 ÷ 822 = -0.01338199513381995
-0.01338199513381995 x 100 = -1.34%