-0.31% is the change from 953 to 950
Calculation steps:
[( 950 - 953 ) ÷ 953] x 100 = -0.31%
Formula
Percentage change = [(950 - 953) / 953] x 100
Subtract the new number by the original number
950 - 953 = -3
-3 ÷ 953 = -0.0031479538300104933
-0.0031479538300104933 x 100 = -0.31%