1445% is the change from 40 to 618
Calculation steps:
[( 618 - 40 ) ÷ 40] x 100 = 1445%
Formula
Percentage change = [(618 - 40) / 40] x 100
Subtract the new number by the original number
618 - 40 = 578
578 ÷ 40 = 14.45
14.45 x 100 = 1445%
Example