-79.84% is the change from 248 to 50
Calculation steps:
[( 50 - 248 ) ÷ 248] x 100 = -79.84%
Formula
Percentage change = [(50 - 248) / 248] x 100
Subtract the new number by the original number
50 - 248 = -198
-198 ÷ 248 = -0.7983870967741935
-0.7983870967741935 x 100 = -79.84%