-0.84% is the change from 834 to 827
Calculation steps:
[( 827 - 834 ) ÷ 834] x 100 = -0.84%
Formula
Percentage change = [(827 - 834) / 834] x 100
Subtract the new number by the original number
827 - 834 = -7
-7 ÷ 834 = -0.008393285371702638
-0.008393285371702638 x 100 = -0.84%