-97.15% is the change from 983 to 28
Calculation steps:
[( 28 - 983 ) ÷ 983] x 100 = -97.15%
Formula
Percentage change = [(28 - 983) / 983] x 100
Subtract the new number by the original number
28 - 983 = -955
-955 ÷ 983 = -0.9715157680569685
-0.9715157680569685 x 100 = -97.15%