-99.79% is the change from 949 to 2
Calculation steps:
[( 2 - 949 ) ÷ 949] x 100 = -99.79%
Formula
Percentage change = [(2 - 949) / 949] x 100
Subtract the new number by the original number
2 - 949 = -947
-947 ÷ 949 = -0.9978925184404637
-0.9978925184404637 x 100 = -99.79%