286.62% is the change from 142 to 549
Calculation steps:
[( 549 - 142 ) ÷ 142] x 100 = 286.62%
Formula
Percentage change = [(549 - 142) / 142] x 100
Subtract the new number by the original number
549 - 142 = 407
407 ÷ 142 = 2.8661971830985915
2.8661971830985915 x 100 = 286.62%