327.74% is the change from 155 to 663
Calculation steps:
[( 663 - 155 ) ÷ 155] x 100 = 327.74%
Formula
Percentage change = [(663 - 155) / 155] x 100
Subtract the new number by the original number
663 - 155 = 508
508 ÷ 155 = 3.2774193548387096
3.2774193548387096 x 100 = 327.74%