-7.38% is the change from 948 to 878
Calculation steps:
[( 878 - 948 ) ÷ 948] x 100 = -7.38%
Formula
Percentage change = [(878 - 948) / 948] x 100
Subtract the new number by the original number
878 - 948 = -70
-70 ÷ 948 = -0.07383966244725738
-0.07383966244725738 x 100 = -7.38%