-79.77% is the change from 949 to 192
Calculation steps:
[( 192 - 949 ) ÷ 949] x 100 = -79.77%
Formula
Percentage change = [(192 - 949) / 949] x 100
Subtract the new number by the original number
192 - 949 = -757
-757 ÷ 949 = -0.79768177028451
-0.79768177028451 x 100 = -79.77%