-99.67% is the change from 909 to 3
Calculation steps:
[( 3 - 909 ) ÷ 909] x 100 = -99.67%
Formula
Percentage change = [(3 - 909) / 909] x 100
Subtract the new number by the original number
3 - 909 = -906
-906 ÷ 909 = -0.9966996699669967
-0.9966996699669967 x 100 = -99.67%