-1.9% is the change from 948 to 930
Calculation steps:
[( 930 - 948 ) ÷ 948] x 100 = -1.9%
Formula
Percentage change = [(930 - 948) / 948] x 100
Subtract the new number by the original number
930 - 948 = -18
-18 ÷ 948 = -0.0189873417721519
-0.0189873417721519 x 100 = -1.9%