120.71% is the change from 280 to 618
Calculation steps:
[( 618 - 280 ) ÷ 280] x 100 = 120.71%
Formula
Percentage change = [(618 - 280) / 280] x 100
Subtract the new number by the original number
618 - 280 = 338
338 ÷ 280 = 1.207142857142857
1.207142857142857 x 100 = 120.71%