100% is the change from 248 to 496
Calculation steps:
[( 496 - 248 ) ÷ 248] x 100 = 100%
Formula
Percentage change = [(496 - 248) / 248] x 100
Subtract the new number by the original number
496 - 248 = 248
248 ÷ 248 = 1
1 x 100 = 100%
Example