147.2% is the change from 250 to 618
Calculation steps:
[( 618 - 250 ) ÷ 250] x 100 = 147.2%
Formula
Percentage change = [(618 - 250) / 250] x 100
Subtract the new number by the original number
618 - 250 = 368
368 ÷ 250 = 1.472
1.472 x 100 = 147.2%
Example