-88.37% is the change from 834 to 97
Calculation steps:
[( 97 - 834 ) ÷ 834] x 100 = -88.37%
Formula
Percentage change = [(97 - 834) / 834] x 100
Subtract the new number by the original number
97 - 834 = -737
-737 ÷ 834 = -0.8836930455635491
-0.8836930455635491 x 100 = -88.37%