-91.77% is the change from 948 to 78
Calculation steps:
[( 78 - 948 ) ÷ 948] x 100 = -91.77%
Formula
Percentage change = [(78 - 948) / 948] x 100
Subtract the new number by the original number
78 - 948 = -870
-870 ÷ 948 = -0.9177215189873418
-0.9177215189873418 x 100 = -91.77%