-99.69% is the change from 980 to 3
Calculation steps:
[( 3 - 980 ) ÷ 980] x 100 = -99.69%
Formula
Percentage change = [(3 - 980) / 980] x 100
Subtract the new number by the original number
3 - 980 = -977
-977 ÷ 980 = -0.996938775510204
-0.996938775510204 x 100 = -99.69%