-88.57% is the change from 796 to 91
Calculation steps:
[( 91 - 796 ) ÷ 796] x 100 = -88.57%
Formula
Percentage change = [(91 - 796) / 796] x 100
Subtract the new number by the original number
91 - 796 = -705
-705 ÷ 796 = -0.885678391959799
-0.885678391959799 x 100 = -88.57%