273.94% is the change from 142 to 531
Calculation steps:
[( 531 - 142 ) ÷ 142] x 100 = 273.94%
Formula
Percentage change = [(531 - 142) / 142] x 100
Subtract the new number by the original number
531 - 142 = 389
389 ÷ 142 = 2.73943661971831
2.73943661971831 x 100 = 273.94%