-10.39% is the change from 828 to 742
Calculation steps:
[( 742 - 828 ) ÷ 828] x 100 = -10.39%
Formula
Percentage change = [(742 - 828) / 828] x 100
Subtract the new number by the original number
742 - 828 = -86
-86 ÷ 828 = -0.10386473429951691
-0.10386473429951691 x 100 = -10.39%