139.86% is the change from 143 to 343
Calculation steps:
[( 343 - 143 ) ÷ 143] x 100 = 139.86%
Formula
Percentage change = [(343 - 143) / 143] x 100
Subtract the new number by the original number
343 - 143 = 200
200 ÷ 143 = 1.3986013986013985
1.3986013986013985 x 100 = 139.86%