-1.37% is the change from 950 to 937
Calculation steps:
[( 937 - 950 ) ÷ 950] x 100 = -1.37%
Formula
Percentage change = [(937 - 950) / 950] x 100
Subtract the new number by the original number
937 - 950 = -13
-13 ÷ 950 = -0.01368421052631579
-0.01368421052631579 x 100 = -1.37%