280.28% is the change from 142 to 540
Calculation steps:
[( 540 - 142 ) ÷ 142] x 100 = 280.28%
Formula
Percentage change = [(540 - 142) / 142] x 100
Subtract the new number by the original number
540 - 142 = 398
398 ÷ 142 = 2.8028169014084505
2.8028169014084505 x 100 = 280.28%