-17.15% is the change from 834 to 691
Calculation steps:
[( 691 - 834 ) ÷ 834] x 100 = -17.15%
Formula
Percentage change = [(691 - 834) / 834] x 100
Subtract the new number by the original number
691 - 834 = -143
-143 ÷ 834 = -0.17146282973621102
-0.17146282973621102 x 100 = -17.15%