-2.46% is the change from 812 to 792
Calculation steps:
[( 792 - 812 ) ÷ 812] x 100 = -2.46%
Formula
Percentage change = [(792 - 812) / 812] x 100
Subtract the new number by the original number
792 - 812 = -20
-20 ÷ 812 = -0.024630541871921183
-0.024630541871921183 x 100 = -2.46%