-0.31% is the change from 969 to 966
Calculation steps:
[( 966 - 969 ) ÷ 969] x 100 = -0.31%
Formula
Percentage change = [(966 - 969) / 969] x 100
Subtract the new number by the original number
966 - 969 = -3
-3 ÷ 969 = -0.0030959752321981426
-0.0030959752321981426 x 100 = -0.31%