-87.41% is the change from 834 to 105
Calculation steps:
[( 105 - 834 ) ÷ 834] x 100 = -87.41%
Formula
Percentage change = [(105 - 834) / 834] x 100
Subtract the new number by the original number
105 - 834 = -729
-729 ÷ 834 = -0.8741007194244604
-0.8741007194244604 x 100 = -87.41%