-99.7% is the change from 984 to 3
Calculation steps:
[( 3 - 984 ) ÷ 984] x 100 = -99.7%
Formula
Percentage change = [(3 - 984) / 984] x 100
Subtract the new number by the original number
3 - 984 = -981
-981 ÷ 984 = -0.9969512195121951
-0.9969512195121951 x 100 = -99.7%