-86.66% is the change from 682 to 91
Calculation steps:
[( 91 - 682 ) ÷ 682] x 100 = -86.66%
Formula
Percentage change = [(91 - 682) / 682] x 100
Subtract the new number by the original number
91 - 682 = -591
-591 ÷ 682 = -0.8665689149560117
-0.8665689149560117 x 100 = -86.66%