-77.02% is the change from 248 to 57
Calculation steps:
[( 57 - 248 ) ÷ 248] x 100 = -77.02%
Formula
Percentage change = [(57 - 248) / 248] x 100
Subtract the new number by the original number
57 - 248 = -191
-191 ÷ 248 = -0.7701612903225806
-0.7701612903225806 x 100 = -77.02%