-87.07% is the change from 696 to 90
Calculation steps:
[( 90 - 696 ) ÷ 696] x 100 = -87.07%
Formula
Percentage change = [(90 - 696) / 696] x 100
Subtract the new number by the original number
90 - 696 = -606
-606 ÷ 696 = -0.8706896551724138
-0.8706896551724138 x 100 = -87.07%