145.91% is the change from 342 to 841
Calculation steps:
[( 841 - 342 ) ÷ 342] x 100 = 145.91%
Formula
Percentage change = [(841 - 342) / 342] x 100
Subtract the new number by the original number
841 - 342 = 499
499 ÷ 342 = 1.45906432748538
1.45906432748538 x 100 = 145.91%