-29.54% is the change from 948 to 668
Calculation steps:
[( 668 - 948 ) ÷ 948] x 100 = -29.54%
Formula
Percentage change = [(668 - 948) / 948] x 100
Subtract the new number by the original number
668 - 948 = -280
-280 ÷ 948 = -0.29535864978902954
-0.29535864978902954 x 100 = -29.54%