-2.8% is the change from 822 to 799
Calculation steps:
[( 799 - 822 ) ÷ 822] x 100 = -2.8%
Formula
Percentage change = [(799 - 822) / 822] x 100
Subtract the new number by the original number
799 - 822 = -23
-23 ÷ 822 = -0.027980535279805353
-0.027980535279805353 x 100 = -2.8%