-67.09% is the change from 948 to 312
Calculation steps:
[( 312 - 948 ) ÷ 948] x 100 = -67.09%
Formula
Percentage change = [(312 - 948) / 948] x 100
Subtract the new number by the original number
312 - 948 = -636
-636 ÷ 948 = -0.6708860759493671
-0.6708860759493671 x 100 = -67.09%