247.89% is the change from 142 to 494
Calculation steps:
[( 494 - 142 ) ÷ 142] x 100 = 247.89%
Formula
Percentage change = [(494 - 142) / 142] x 100
Subtract the new number by the original number
494 - 142 = 352
352 ÷ 142 = 2.4788732394366195
2.4788732394366195 x 100 = 247.89%