-1.79% is the change from 948 to 931
Calculation steps:
[( 931 - 948 ) ÷ 948] x 100 = -1.79%
Formula
Percentage change = [(931 - 948) / 948] x 100
Subtract the new number by the original number
931 - 948 = -17
-17 ÷ 948 = -0.017932489451476793
-0.017932489451476793 x 100 = -1.79%