-0.21% is the change from 958 to 956
Calculation steps:
[( 956 - 958 ) ÷ 958] x 100 = -0.21%
Formula
Percentage change = [(956 - 958) / 958] x 100
Subtract the new number by the original number
956 - 958 = -2
-2 ÷ 958 = -0.0020876826722338203
-0.0020876826722338203 x 100 = -0.21%