203.5% is the change from 143 to 434
Calculation steps:
[( 434 - 143 ) ÷ 143] x 100 = 203.5%
Formula
Percentage change = [(434 - 143) / 143] x 100
Subtract the new number by the original number
434 - 143 = 291
291 ÷ 143 = 2.034965034965035
2.034965034965035 x 100 = 203.5%