-86.8% is the change from 682 to 90
Calculation steps:
[( 90 - 682 ) ÷ 682] x 100 = -86.8%
Formula
Percentage change = [(90 - 682) / 682] x 100
Subtract the new number by the original number
90 - 682 = -592
-592 ÷ 682 = -0.8680351906158358
-0.8680351906158358 x 100 = -86.8%