-67.3% is the change from 948 to 310
Calculation steps:
[( 310 - 948 ) ÷ 948] x 100 = -67.3%
Formula
Percentage change = [(310 - 948) / 948] x 100
Subtract the new number by the original number
310 - 948 = -638
-638 ÷ 948 = -0.6729957805907173
-0.6729957805907173 x 100 = -67.3%