276.77% is the change from 155 to 584
Calculation steps:
[( 584 - 155 ) ÷ 155] x 100 = 276.77%
Formula
Percentage change = [(584 - 155) / 155] x 100
Subtract the new number by the original number
584 - 155 = 429
429 ÷ 155 = 2.767741935483871
2.767741935483871 x 100 = 276.77%