-0.83% is the change from 841 to 834
Calculation steps:
[( 834 - 841 ) ÷ 841] x 100 = -0.83%
Formula
Percentage change = [(834 - 841) / 841] x 100
Subtract the new number by the original number
834 - 841 = -7
-7 ÷ 841 = -0.008323424494649227
-0.008323424494649227 x 100 = -0.83%