56.05% is the change from 248 to 387
Calculation steps:
[( 387 - 248 ) ÷ 248] x 100 = 56.05%
Formula
Percentage change = [(387 - 248) / 248] x 100
Subtract the new number by the original number
387 - 248 = 139
139 ÷ 248 = 0.5604838709677419
0.5604838709677419 x 100 = 56.05%