-0.72% is the change from 834 to 828
Calculation steps:
[( 828 - 834 ) ÷ 834] x 100 = -0.72%
Formula
Percentage change = [(828 - 834) / 834] x 100
Subtract the new number by the original number
828 - 834 = -6
-6 ÷ 834 = -0.007194244604316547
-0.007194244604316547 x 100 = -0.72%