57.66% is the change from 248 to 391
Calculation steps:
[( 391 - 248 ) ÷ 248] x 100 = 57.66%
Formula
Percentage change = [(391 - 248) / 248] x 100
Subtract the new number by the original number
391 - 248 = 143
143 ÷ 248 = 0.5766129032258065
0.5766129032258065 x 100 = 57.66%