-84.65% is the change from 671 to 103
Calculation steps:
[( 103 - 671 ) ÷ 671] x 100 = -84.65%
Formula
Percentage change = [(103 - 671) / 671] x 100
Subtract the new number by the original number
103 - 671 = -568
-568 ÷ 671 = -0.8464977645305514
-0.8464977645305514 x 100 = -84.65%