-67.72% is the change from 948 to 306
Calculation steps:
[( 306 - 948 ) ÷ 948] x 100 = -67.72%
Formula
Percentage change = [(306 - 948) / 948] x 100
Subtract the new number by the original number
306 - 948 = -642
-642 ÷ 948 = -0.6772151898734177
-0.6772151898734177 x 100 = -67.72%