142.96% is the change from 142 to 345
Calculation steps:
[( 345 - 142 ) ÷ 142] x 100 = 142.96%
Formula
Percentage change = [(345 - 142) / 142] x 100
Subtract the new number by the original number
345 - 142 = 203
203 ÷ 142 = 1.4295774647887325
1.4295774647887325 x 100 = 142.96%