-85.07% is the change from 683 to 102
Calculation steps:
[( 102 - 683 ) ÷ 683] x 100 = -85.07%
Formula
Percentage change = [(102 - 683) / 683] x 100
Subtract the new number by the original number
102 - 683 = -581
-581 ÷ 683 = -0.8506588579795022
-0.8506588579795022 x 100 = -85.07%