141.55% is the change from 142 to 343
Calculation steps:
[( 343 - 142 ) ÷ 142] x 100 = 141.55%
Formula
Percentage change = [(343 - 142) / 142] x 100
Subtract the new number by the original number
343 - 142 = 201
201 ÷ 142 = 1.4154929577464788
1.4154929577464788 x 100 = 141.55%