-80.24% is the change from 248 to 49
Calculation steps:
[( 49 - 248 ) ÷ 248] x 100 = -80.24%
Formula
Percentage change = [(49 - 248) / 248] x 100
Subtract the new number by the original number
49 - 248 = -199
-199 ÷ 248 = -0.8024193548387096
-0.8024193548387096 x 100 = -80.24%