-73% is the change from 948 to 256
Calculation steps:
[( 256 - 948 ) ÷ 948] x 100 = -73%
Formula
Percentage change = [(256 - 948) / 948] x 100
Subtract the new number by the original number
256 - 948 = -692
-692 ÷ 948 = -0.729957805907173
-0.729957805907173 x 100 = -73%