-98.74% is the change from 949 to 12
Calculation steps:
[( 12 - 949 ) ÷ 949] x 100 = -98.74%
Formula
Percentage change = [(12 - 949) / 949] x 100
Subtract the new number by the original number
12 - 949 = -937
-937 ÷ 949 = -0.9873551106427819
-0.9873551106427819 x 100 = -98.74%