-12.71% is the change from 834 to 728
Calculation steps:
[( 728 - 834 ) ÷ 834] x 100 = -12.71%
Formula
Percentage change = [(728 - 834) / 834] x 100
Subtract the new number by the original number
728 - 834 = -106
-106 ÷ 834 = -0.12709832134292565
-0.12709832134292565 x 100 = -12.71%