-1.26% is the change from 950 to 938
Calculation steps:
[( 938 - 950 ) ÷ 950] x 100 = -1.26%
Formula
Percentage change = [(938 - 950) / 950] x 100
Subtract the new number by the original number
938 - 950 = -12
-12 ÷ 950 = -0.01263157894736842
-0.01263157894736842 x 100 = -1.26%