-1.45% is the change from 828 to 816
Calculation steps:
[( 816 - 828 ) ÷ 828] x 100 = -1.45%
Formula
Percentage change = [(816 - 828) / 828] x 100
Subtract the new number by the original number
816 - 828 = -12
-12 ÷ 828 = -0.014492753623188406
-0.014492753623188406 x 100 = -1.45%