-87.15% is the change from 708 to 91
Calculation steps:
[( 91 - 708 ) ÷ 708] x 100 = -87.15%
Formula
Percentage change = [(91 - 708) / 708] x 100
Subtract the new number by the original number
91 - 708 = -617
-617 ÷ 708 = -0.8714689265536724
-0.8714689265536724 x 100 = -87.15%