-4.11% is the change from 950 to 911
Calculation steps:
[( 911 - 950 ) ÷ 950] x 100 = -4.11%
Formula
Percentage change = [(911 - 950) / 950] x 100
Subtract the new number by the original number
911 - 950 = -39
-39 ÷ 950 = -0.04105263157894737
-0.04105263157894737 x 100 = -4.11%