-48.97% is the change from 486 to 248
Calculation steps:
[( 248 - 486 ) ÷ 486] x 100 = -48.97%
Formula
Percentage change = [(248 - 486) / 486] x 100
Subtract the new number by the original number
248 - 486 = -238
-238 ÷ 486 = -0.4897119341563786
-0.4897119341563786 x 100 = -48.97%