-3.2% is the change from 969 to 938
Calculation steps:
[( 938 - 969 ) ÷ 969] x 100 = -3.2%
Formula
Percentage change = [(938 - 969) / 969] x 100
Subtract the new number by the original number
938 - 969 = -31
-31 ÷ 969 = -0.03199174406604747
-0.03199174406604747 x 100 = -3.2%