277.42% is the change from 155 to 585
Calculation steps:
[( 585 - 155 ) ÷ 155] x 100 = 277.42%
Formula
Percentage change = [(585 - 155) / 155] x 100
Subtract the new number by the original number
585 - 155 = 430
430 ÷ 155 = 2.774193548387097
2.774193548387097 x 100 = 277.42%