-98.11% is the change from 950 to 18
Calculation steps:
[( 18 - 950 ) ÷ 950] x 100 = -98.11%
Formula
Percentage change = [(18 - 950) / 950] x 100
Subtract the new number by the original number
18 - 950 = -932
-932 ÷ 950 = -0.9810526315789474
-0.9810526315789474 x 100 = -98.11%