-98.1% is the change from 948 to 18
Calculation steps:
[( 18 - 948 ) ÷ 948] x 100 = -98.1%
Formula
Percentage change = [(18 - 948) / 948] x 100
Subtract the new number by the original number
18 - 948 = -930
-930 ÷ 948 = -0.9810126582278481
-0.9810126582278481 x 100 = -98.1%