-0.21% is the change from 948 to 946
Calculation steps:
[( 946 - 948 ) ÷ 948] x 100 = -0.21%
Formula
Percentage change = [(946 - 948) / 948] x 100
Subtract the new number by the original number
946 - 948 = -2
-2 ÷ 948 = -0.002109704641350211
-0.002109704641350211 x 100 = -0.21%