-2.08% is the change from 819 to 802
Calculation steps:
[( 802 - 819 ) ÷ 819] x 100 = -2.08%
Formula
Percentage change = [(802 - 819) / 819] x 100
Subtract the new number by the original number
802 - 819 = -17
-17 ÷ 819 = -0.020757020757020756
-0.020757020757020756 x 100 = -2.08%