306.29% is the change from 143 to 581
Calculation steps:
[( 581 - 143 ) ÷ 143] x 100 = 306.29%
Formula
Percentage change = [(581 - 143) / 143] x 100
Subtract the new number by the original number
581 - 143 = 438
438 ÷ 143 = 3.062937062937063
3.062937062937063 x 100 = 306.29%