274.84% is the change from 155 to 581
Calculation steps:
[( 581 - 155 ) ÷ 155] x 100 = 274.84%
Formula
Percentage change = [(581 - 155) / 155] x 100
Subtract the new number by the original number
581 - 155 = 426
426 ÷ 155 = 2.7483870967741937
2.7483870967741937 x 100 = 274.84%