-87.58% is the change from 829 to 103
Calculation steps:
[( 103 - 829 ) ÷ 829] x 100 = -87.58%
Formula
Percentage change = [(103 - 829) / 829] x 100
Subtract the new number by the original number
103 - 829 = -726
-726 ÷ 829 = -0.8757539203860072
-0.8757539203860072 x 100 = -87.58%