68.55% is the change from 248 to 418
Calculation steps:
[( 418 - 248 ) ÷ 248] x 100 = 68.55%
Formula
Percentage change = [(418 - 248) / 248] x 100
Subtract the new number by the original number
418 - 248 = 170
170 ÷ 248 = 0.6854838709677419
0.6854838709677419 x 100 = 68.55%