280.65% is the change from 155 to 590
Calculation steps:
[( 590 - 155 ) ÷ 155] x 100 = 280.65%
Formula
Percentage change = [(590 - 155) / 155] x 100
Subtract the new number by the original number
590 - 155 = 435
435 ÷ 155 = 2.806451612903226
2.806451612903226 x 100 = 280.65%