-1.23% is the change from 812 to 802
Calculation steps:
[( 802 - 812 ) ÷ 812] x 100 = -1.23%
Formula
Percentage change = [(802 - 812) / 812] x 100
Subtract the new number by the original number
802 - 812 = -10
-10 ÷ 812 = -0.012315270935960592
-0.012315270935960592 x 100 = -1.23%