-98.74% is the change from 950 to 12
Calculation steps:
[( 12 - 950 ) ÷ 950] x 100 = -98.74%
Formula
Percentage change = [(12 - 950) / 950] x 100
Subtract the new number by the original number
12 - 950 = -938
-938 ÷ 950 = -0.9873684210526316
-0.9873684210526316 x 100 = -98.74%