-31.65% is the change from 948 to 648
Calculation steps:
[( 648 - 948 ) ÷ 948] x 100 = -31.65%
Formula
Percentage change = [(648 - 948) / 948] x 100
Subtract the new number by the original number
648 - 948 = -300
-300 ÷ 948 = -0.31645569620253167
-0.31645569620253167 x 100 = -31.65%