-99.49% is the change from 980 to 5
Calculation steps:
[( 5 - 980 ) ÷ 980] x 100 = -99.49%
Formula
Percentage change = [(5 - 980) / 980] x 100
Subtract the new number by the original number
5 - 980 = -975
-975 ÷ 980 = -0.9948979591836735
-0.9948979591836735 x 100 = -99.49%