209.68% is the change from 155 to 480
Calculation steps:
[( 480 - 155 ) ÷ 155] x 100 = 209.68%
Formula
Percentage change = [(480 - 155) / 155] x 100
Subtract the new number by the original number
480 - 155 = 325
325 ÷ 155 = 2.096774193548387
2.096774193548387 x 100 = 209.68%
Example