-82.44% is the change from 279 to 49
Calculation steps:
[( 49 - 279 ) ÷ 279] x 100 = -82.44%
Formula
Percentage change = [(49 - 279) / 279] x 100
Subtract the new number by the original number
49 - 279 = -230
-230 ÷ 279 = -0.8243727598566308
-0.8243727598566308 x 100 = -82.44%