-2.81% is the change from 819 to 796
Calculation steps:
[( 796 - 819 ) ÷ 819] x 100 = -2.81%
Formula
Percentage change = [(796 - 819) / 819] x 100
Subtract the new number by the original number
796 - 819 = -23
-23 ÷ 819 = -0.028083028083028084
-0.028083028083028084 x 100 = -2.81%