241.55% is the change from 142 to 485
Calculation steps:
[( 485 - 142 ) ÷ 142] x 100 = 241.55%
Formula
Percentage change = [(485 - 142) / 142] x 100
Subtract the new number by the original number
485 - 142 = 343
343 ÷ 142 = 2.415492957746479
2.415492957746479 x 100 = 241.55%